NASA's James Webb Space Telescope


The news articles displayed below are intended for the scientific community.

simulation of the LMC astrometric field with the F770W filter

Use MIRISim to Create Simulated JWST MIRI Data

News Feature March 19, 2019

Scientists who are interested in mid-infrared observations with JWST can now use MIRISim to generate their own simulated observations.

upcoming JWST events

Upcoming Events for the JWST Observer Community

News Feature January 31, 2019

Check out our upcoming events designed to help the astronomical community prepare for JWST science.

ERS presentation by Dr. Misty Bentz at AAS 233

Recap of JWST Observer Events at the 233rd Meeting of the AAS

News Feature January 30, 2019

Find out about the JWST events held at the winter AAS meeting in 2019.

WebbVR promotional image

WebbVR Available for Free Download

News Feature November 29, 2018

Download WebbVR, a virtual reality experience of the James Webb Space Telescope.

AAS233 promotion

JWST Observer Events at the 233rd Meeting of the AAS

News Feature November 21, 2018

STScI will update the community and provide JWST-related resources at the 233rd meeting of the American Astronomical Society in Seattle, WA.

Screenshot from ETC showing groups before saturation.

JWST ETC Version 1.3 Has Been Released

News Feature November 13, 2018

ETC Version 1.3 includes usability enhancements, accuracy improvements, and new features.

JWST science planning timeline for cycles 1 and 2

The JWST Cycle 1 GO Proposal Schedule: What To Expect

News Feature October 31, 2018

What to expect for the JWST Cycle 1 proposal process.

Image showing the redesigned home page.

New Design for Debuts

News Feature October 2, 2018

On October 2, 2018, the Space Telescope Science Institute relaunched with a fresh, new design and updated content.

Image showing the redesigned JWST Observer home page.

A New Look for the JWST Observer Website

News Feature September 28, 2018

New look and feel coming at the end of October for the JWST Observer website.

Image of MIRI field of view, showing its four coronagraphs.

Seeing Through the Glare with JWST Coronagraphy

News Feature September 17, 2018

The coronagraphic capabilities provided by the James Webb Space Telescope (JWST) will reveal faint structures otherwise hidden by the glare of a bright point source.

Image advertising 50th Division for Planetary Sciences (DPS) meeting in Knoxville, TN in October 2018.

JWST Observer Events at the 50th Meeting of the Division for Planetary Sciences

News Feature August 17, 2018

The 50th DPS meeting in Knoxville, TN will include a variety of events designed to update and prepare the astronomical community for JWST science.

Image showing optimal NIRCam WFSS fields for the broad band filters F322W2 and F444W.

How To Discover the Optimal Fields of View for Slitless Spectroscopy with NIRCam

News Feature August 1, 2018

Find out how to plan your NIRCam slitless observations so your most important spectra do not fall outside of the detector.

JWST Cycle 1 Proposal Survey Follow-up

News Feature July 24, 2018

Find out what JWST users had to say about the proposal process.

Photograph of NASA's SOFIA 747SP aircraft soaring over Southern California's high desert.

SOFIA Cycle 7: An Opportunity to Prepare for JWST Science

News Feature July 13, 2018

SOFIA welcomes proposals that will help prepare for and enhance early science with JWST in their Cycle 7 period.

Illustration showing JWST's science themes.

Updates to the JWST Cycle 1 Proposal Timeline

News Feature June 27, 2018

The JWST Cycle 1 proposal timeline has been updated following the revised JWST launch schedule.

Simulated NIRISS AMI observations of Jupiter’s moon, Io.

What NIRISS Aperture Masking Interferometry Can Do for You

News Feature May 29, 2018

The Aperture Masking Interferometry (AMI) mode of JWST’s Near Infrared Imager and Slitless Spectrograph (NIRISS) offers a unique capability of high-resolution, moderate contract imaging at small separations.

Screenshot from Pandeia ETC engine.

Pandeia ETC Engine Tutorial Is Now Available

News Feature May 22, 2018

A tutorial for using the Pandeia python package to run JWST exposure time calculations offline is now available.

2018 IAU General Assembly promotion

JWST Focus Meeting at 2018 IAU General Assembly

News Feature May 17, 2018

The JWST focus meeting will highlight the science that will be enabled by JWST early in its life cycle.

STScI Requests Feedback on JWST Proposal Process

News Feature April 16, 2018

Take our online survey to let us know how we can improve the JWST proposal process.

Promotional image for March 26, 2018 Q&A session.

March 26th Social Media Q&A Session on Twitter

News Feature April 2, 2018

Here are the questions and answers from the last JWST Cycle 1 Q&A session on March 26, 2018.

Illustration showing JWST's science themes.

The JWST Cycle 1 GO/AR Proposal Deadline Has Been Delayed

News Feature March 27, 2018

The JWST Cycle 1 GO/AR proposal deadline has been delayed until no earlier than February 1, 2019.

Screenshot showing the ETC screens depicting signal-to-noise version 1.2.2 enhancements.

JWST ETC Version 1.2.2 Has Been Released

News Feature March 19, 2018

The release v1.2.2 is a patch release for the JWST Exposure Time Calculator (ETC) v1.2 and includes accuracy-related changes for several modes, as well as performance and robustness improvements.

Promotional image for March 5, 2018 Q&A session.

March 5th Social Media Q&A Session on Twitter

News Feature March 9, 2018

Here are the questions and answers from the JWST Cycle 1 Q&A session held on March 5, 2018.

NICMOS (HST) infrared image of Saturn. Credit: ESA/NASA.

New Version of General Target Visibility Tool Now Supports Moving Targets

News Feature March 9, 2018

The General Target Visibility Tool has recently been enhanced to support moving targets.

Illustration showing JWST's science capabilities.

Additional Information on ERS Programs Now Available

News Feature March 8, 2018

Learn more about the 13 DD-ERS programs and how they plan to prepare the science community for JWST.

Promotional image for February 26, 2018 Q&A session.

February 26th Social Media Q&A Session on Twitter

News Feature March 1, 2018

Review the questions and answers from the JWST Cycle 1 Q&A session held on February 26, 2018.

Use MAST’s New Feature to Search for Planned JWST Observations

News Feature February 13, 2018

MAST’s new feature within the Data Discovery Portal allows users to search for planned JWST observations, including GTO and DD-ERS targets.

Image of calendar showing the April 6, 2018 date circled.

Your JWST Cycle 1 Proposal: Don’t Wait until the Last Minute

News Feature January 30, 2018

JWST’s single-stream approach to proposing means that all of the observing details need to be provided at the time of submission, which is April 6, 2018 for Cycle 1.

Screenshot showing APT help videos available on the JWST Observer You Tube channel.

Updated and Enhanced APT Version 25.4.2 Released

News Feature January 18, 2018

The latest version of the Astronomer's Proposal Tool (APT), which includes several enhancements, is now available to help you prepare your Cycle 1 proposals.

The James Webb Space Telescope NIRSpec Observation Visualization Tool (NOVT), which provides a simultaneous view of both NIRSpec and NIRCam fields of view.

NIRSpec Observation Visualization Tool (NOVT) Version 2.3.0 Released

News Feature January 12, 2018

NOVT, a tool created to assist in planning NIRCam pre-imaging for NIRSpec, has been updated to include a new NIRCam dither pattern.

Screenshot showing the ETC's Signal-to-Noise and SNR vs On-Source Time screens as part of the version 1.2 enhancements.

JWST ETC Version 1.2 Has Been Released

News Feature December 20, 2017

The Exposure Time Calculator v1.2 release supports the JWST General Observer (GO) Cycle 1 proposals. This version has new features, accuracy improvements, and usability enhancements.

Illustration showing JWST's science themes.

The JWST Program Information Tool Is Now Available

News Feature December 19, 2017

Use the JWST Program Information Tool to get detailed information about specific approved observing programs.

Illustration showing JWST User Documentation (JDox) home page content.

Additional Resources Added to JDox for Cycle 1 Call

News Feature December 6, 2017

JWST User Documentation (JDox) has been further enhanced to support the Cycle 1 call for proposals, released on 11/30/17.

Screenshot from the JWST backgrounds tool.

The JWST Backgrounds Tool Is Now Available

News Feature December 4, 2017

The JWST Backgrounds Tool (JBT) provides an easier way to plot backgrounds when planning observations.

Illustration of JWST's science themes.

STScI Invites Scientists To Submit Proposals for JWST Cycle 1

News Feature November 30, 2017

The Cycle 1 call for proposals for general observer (GO) time on the James Webb Space Telescope has been released.

Image showing MIRI simultaneous imaging feature.

Two for the Price of One: MIRI Simultaneous Imaging

News Feature November 29, 2017

The MIRI imager and Medium-Resolution Spectrometer (MRS) can be operated simultaneously, resulting in more accurate construction of the MRS data cube and bonus observations of a nearby field.

Example NIRCam dither patterns.

New Efficient NIRCam Image Dither Patterns Are Now Available

News Feature November 28, 2017

Based on a revised model for observing overheads, the NIRCam team has developed more efficient dither patterns for NIRCam imaging modes.

Liverpool at Night

"Early Science with JWST" Symposium at EWASS 2018

News Feature November 27, 2017

Register and submit abstracts for the "Early Science with JWST" symposium during the EWASS 2018 meeting in Liverpool, UK on 3-4 April 2018.

JWST timeline showing major milestones since January 2017.

Submission Deadline for Cycle 1 JWST GO Proposals Changed to April 6, 2018

News Feature November 15, 2017

As a result of the new JWST launch date, the deadline for submission of Cycle 1 JWST General Observer proposals has changed to April 6, 2018.

Illustration showing JWST's science capabilities.

Selections Made for the JWST Director’s Discretionary Early Release Science Program

News Feature November 13, 2017

STScI announces the 13 DD-ERS observation programs which will take place during the first 5 months of JWST science operations.

Image showing JWST Observer YouTube channel

Instructional Videos Now Available on the New JWST Observer YouTube Channel

News Feature November 1, 2017

Check out the videos available to help you with JWST proposal planning and related topics.

Image promoting AAS 231st meeting in Washington, DC on 8-12, January 2018.

JWST Observer Events at the 231st Meeting of the AAS

News Feature October 27, 2017

Join STScI for a variety of JWST events at the 231st meeting of the American Astronomical Society.

JWST Proposal Planning Workshop on December 11-14, 2017 in Pasadena, CA.

Next JWST Proposal Planning Workshop Takes Place in December

News Feature October 10, 2017

The next JWST Proposal Planning Workshop will be held in Pasadena, CA on December 11-14, 2017.

Image showing masthead of JWST Observer News Roundup.

JWST Observer News Roundup Delivers JWST News to your Inbox

News Feature October 2, 2017

Check your inbox on October 2, 2017 for the first issue of the JWST Observer News Roundup.

30th General Assembly of the International Astronomical Union in Vienna, Austria on August 20-31, 2018

JWST Focus Meeting at the 2018 IAU General Assembly

News Feature September 21, 2017

Join us in Vienna for a JWST Focus Meeting at the 2018 IAU General Assembly.

Screenshot of SpecViz tool

James Webb Data Analysis Development Forum Releases SpecViz Version 0.4.0

News Feature August 29, 2017

STScI is developing SpecViz, a one-dimensional astronomical spectral visualization and analysis suite, to support all types of astronomical spectral data.

DD-ERS Proposal Submission Statistics Are Now Available

News Feature August 28, 2017

With the submission of the final proposals for the Director’s Discretionary Early Release Science (DD-ERS) Program, we're ready to get started planning for the early observation cycle.

Illustration showing JWST User Documentation (JDox) home page content.

JWST User Documentation Keeps the Community Well-informed

News Feature August 14, 2017

JWST User Documentation (JDox) provides the astronomical community with a Wikipedia-styled site to keep users informed about JWST instruments, proposals, and more.

Screenshot of the ETC's web application graphical user interface, which offers advanced functionality for parameter space studies and comparative calculations.

Engine Code for Version 1.1.1 of the ETC Has Been Released

News Feature July 26, 2017

The Version 1.1.1 patch release of the JWST Exposure Time Calculator (ETC) corrects an error in the MIRI SLOW mode and updates available options.

Screenshot from the Astronomer's Proposal Tool (APT) showing how to access various user help features.

Help Available with Newest Versions of the Astronomer's Proposal Tool (APT)

News Feature June 27, 2017

Supporting materials such as context-sensitive help and tutorials are designed to provide APT users with assistance in using the tool.

Artist's conception of the James Webb Space Telescope

JWST Guaranteed Time Observations (GTO) Program Details Released

News Feature June 14, 2017

Review the details of the JWST Guaranteed Time Observations (GTO) program proposals.

JWST science themes

JWST Users Committee Announced

News Feature June 14, 2017

The Space Telescope Science Institute (STScI) is pleased to announce the membership of the JWST Users Committee (JSTUC), which includes representatives from NASA, ESA, and CSA.

JWST science themes

Cycle 1 DD ERS Call for Proposals Released on May 19, 2017

News Feature May 22, 2017

It’s time! STScI has released the Cycle 1 Call for Proposals for the Director’s Discretionary Early Release Science (DD ERS) Program.

Poster promoting JWST Proposal Planning Workshop

Register by April 14th to attend the STScI Proposal Planning Workshop on May 15-18,...

News Feature April 4, 2017

Want to observe with JWST? Be sure to register by April 14th. We will provide hands-on training to help you get ready for the first JWST call for proposals.

Geographical representation of Notice of Intent submissions for JWST Early Release Science

JWST Community Science Kicks Off with ERS Notices of Intent Submissions

News Feature March 7, 2017

The deadline for Notices of Intent to propose for the Director’s Discretionary Early Release Science (DD-ERS) and Guaranteed-Time Observers (GTO) programs has just passed. How many notices did we receive?

Illustration of James Webb Space Telescope

JWST@230th AAS (June 4-8, 2017)

News Feature February 28, 2017

Are you planning to attend the 230th AAS meeting, June 4-8 2017, in Austin, TX? The 2017 Summer AAS meeting will provide excellent opportunities to learn more about JWST and prepare for Cycle 1 science. The JWST Meeting-in-a-Meeting, workshop, and onsite support at the STScI booth will get you up to speed and on your way to prepare your JWST Cycle 1 science proposals.

User interface of the JWST Coronagraph Visibility Tool

JWST Target Visibility Tools Now Available

News Feature February 23, 2017

The JWST project is making available two tools – the General Target Visibility Tool (GTVT) and the Coronagraphic Visibility Tool (CVT) – to help in assessing target visibilities prior to entering information in the Astronomer's Proposal Tool (APT).

Opportunities to Learn More about JWST Guaranteed Time Observation Programs

News Feature February 15, 2017

Are you planning a JWST Director’s Discretionary Early Release Science (DD-ERs) or General Observers (GO) program for Cycle 1? Curious about science programs that will be performed early in the life cycle of JWST? Come check out current and future opportunities to learn more about JWST’s Guaranteed Time Observation (GTO) Programs!

JWST User Committee

Call for nominations to the JWST User Committee

News Feature February 2, 2017

STScI and the JWST project are forming a User Committee for the James Webb Space Telescope. Nominations are due February 14, 2017!

Kicking off the JWST Community Science Mission

News Feature January 5, 2017

The first observational proposal opportunity for the James Webb Space Telescope (JWST) is here! The Calls for Proposals for the Director’s Discretionary Early Release Science (DD ERS) and Guaranteed-Time Observers (GTO) programs along with a suite of user tools will be released at the JWST Town Hall at the 229th AAS in Grapevine, TX.

JWST and HST could work together to obtain 3D images of planets

News Feature November 4, 2016

A new paper describes how HST and JWST can create stereoscopic 3D images of Solar System objects.

How do I get ready for JWST? Participate in our training events!

News Feature October 21, 2016

STScI is offering a full range of webinars and in-person workshops to prepare the astronomical community for Cycle 1 of JWST (GO deadline in March 2018). These events will provide the community with the critical information and tools needed to plan their Cycle 1 proposals. Some events will also provide an on-site help desk where you can schedule a one-on-one consult with a STScI staff member.

JWST may determine if Proxima Centauri b has an atmosphere

News Feature August 29, 2016

Recent news about Proxima Centauri suggests exciting new possibilities for exoplanetary studies with JWST.

Screen Capture of STScI's New JWST Website

STScI Releases New JWST Website

News Feature May 4, 2016

STScI has developed and released a new JWST website for the astronomical community.

AstroConda release graphic

AstroConda: New Release of Science Software

News Feature May 2, 2016

STScI announces the availability of AstroConda, a replacement for the previously released Ureka environment along with updates to many of the packages installed as part of the STScI_Python releases. 

MIRI team member Ori Fox stands outside NASA Goddard's thermal vacuum chamber during the testing campaign of ISIM.

MIRI Successfully Completes Cryo-Vacuum Testing

News Feature April 5, 2016

This past winter, the JWST Integrated Systems Instrument Module (ISIM) underwent its third and final round of testing in a "Space Environment Simulator'' at NASA's Goddard Space Flight Center in Greenbelt, MD.

NIRSpec in its final flight configuration in 2015

NIRSpec Successfully Completes Cryo-Vacuum Testing

News Feature April 5, 2016

NIRSpec and all of JWST’s scientific instruments recently completed “CV3,” the third cryo-vac test of JWST’s Integrated Science Instrument Module (ISIM).