Newsletters

The STScI Newsletter provides articles of interest to the general astronomical community; presents updates on the Hubble Space Telescope, the James Webb Space Telescope, the Nancy Grace Roman Space Telescope, the Mikulski Archive for Space Telescopes, and other initiatives; and announces relevant meetings and workshops.

The items below represent all volumes, issues, and articles within past and current newsletters. You may use the filter bar to search by specific criteria including relevant missions, volumes and the issues within them, and/or keywords.

As a result of updating our newsletters to a new format, the urls may have changed. Please replace any old bookmarks and/or links with the new urls to ensure continued accuracy.

Filter Articles

Items per page: (1864 total)

Updated Hubble Spectroscopic Legacy Archive (HSLA) Includes More Robust Spectra

2025

VOLUME 42

ISSUE 2

The latest Hubble Spectroscopic Legacy Archive (HSLA) release now automatically defines individual targets, groups multiple observations of a single target into associations, and produces a classification for each target. HSLA also provides a human-readable metadata file for each target with key information that can be used to search and further explore the available spectra from the Cosmic Origins Spectrograph (COS) and the Space Telescope Imaging Spectrograph (STIS).
Events Quarterly Fall 2025: What’s Happening at STScI

2025

VOLUME 42

ISSUE 2

Join upcoming conferences, workshops, symposia, and other astronomy community events, including Atmospheric Escape and Replenishment in Planetary Systems and Language AI in the Space Sciences, organized by the Space Telescope Science Institute in Baltimore, Maryland. Links and recordings to recent events are included.
Webb and Hubble’s Rocky Worlds Program Is Fully Underway: What to Expect

2025

VOLUME 42

ISSUE 2

Nine targets have been officially selected for the Rocky Worlds Director’s Discretionary Time (DDT) program, and the scheduling is underway. Learn why Webb and Hubble are observing terrestrial planets that orbit M-dwarf stars and what these DDT observations mean for long-term exoplanet research.
Planning and Scheduling Observations with Hubble and Webb

2025

VOLUME 42

ISSUE 2

Learn about planning and scheduling observations for Hubble and Webb science programs, a highly complicated, time-intensive process that requires continuous adjustments and rescheduling. Also learn how to prepare observations that are easier to schedule or have faster turnarounds.
The Next Big Thing: The Habitable Worlds Observatory and Inaugural HWO25 Conference

2025

VOLUME 42

ISSUE 2

Scientific and engineering development for the future Habitable Worlds Observatory (HWO) is now actively underway with industrial, academic, and international collaborators. An open community event in August brought together scientists, technologists, and policymakers to discuss the state of HWO’s scientific and technological development.
Exploring AI at STScI

2025

VOLUME 42

ISSUE 2

Read about STScI's AI policy and learn about the launch of an internal AI Community of Practice, which will meet biweekly and include structured presentations, unstructured discussions, and opportunities to test the capabilities and limitations of AI tools.
Hubble Cycle 33 Proposal Selection

2025

VOLUME 42

ISSUE 2

STScI recently completed the proposal review and telescope allocation process for Hubble Cycle 33. As always, we were impressed by the extremely high quality of the proposals, the compelling science, and the dedication, commitment, and integrity of all those involved. Here, we summarize the review process and the results from the Hubble Cycle 33 proposal review and discuss upcoming changes for Cycle 34 and beyond.
Hubble Cycle 33 Science Highlights

2025

VOLUME 42

ISSUE 2

Preview a few notable Hubble Cycle 33 Large Programs and review a list of Medium Programs to learn about the exciting new science that will be enabled by these observations.
How STScI Supports You: Enabling Astronomical Research and Sharing Our Mutual Discoveries (July 2025)

2025

VOLUME 42

ISSUE 2

Learn how STScI staff supported Hubble, Webb, Roman, and MAST to enable research in the first half of 2025. Also find opportunities to collaborate or request support, and learn more about how we cover scientific discoveries.
Meeting of Hubble’s Space Telescope Users Committee (STUC)

2025

VOLUME 42

ISSUE 2

Hubble’s Space Telescope Users Committee (STUC) met in person in June 2025. Topics included mission status, updates on the budget for NASA Astrophysics missions, and community advocacy. Of special note was the telescope’s reliability and scientific productivity. The STUC will deliver a full report with recommendations based on the information presented.
Events Quarterly Summer 2025: What’s Happening at STScI

2025

VOLUME 42

ISSUE 2

Join upcoming workshops, symposia, and other astronomy community events, including Atmospheric Escape and Replenishment in Planetary Systems and JWST Summer School, organized by the Space Telescope Science Institute in Baltimore, Maryland. Links and recordings to recent events are included.
STScI at the 246th AAS Meeting: June 8–12, 2025

2025

VOLUME 42

ISSUE 1

STScI will participate in the 246th Meeting of the American Astronomical Society (AAS) in Anchorage, Alaska, June 8–12. Throughout the week, members of STScI will be involved in a wide variety of science and technical presentations, press releases, press conferences, and an STScI Town Hall.
Roman’s Core Community Surveys Are Now Defined

2025

VOLUME 42

ISSUE 1

The community process to define Roman’s three Core Community Surveys has culminated in the release by the Roman Observations Time Allocation Committee (ROTAC) of their recommended survey implementations.
Events Quarterly: What’s Happening at STScI

2025

VOLUME 42

ISSUE 1

Join upcoming workshops, symposia, and other astronomy community events, including Inter+Stellar, Cosmic Cartography with Roman, and Towards the Habitable Worlds Observatory, organized by the Space Telescope Science Institute in Baltimore, Maryland. Links and recordings to recent events are also included.
STScI Co-administers 2025 NHFP Astrophysics Fellowships

2025

VOLUME 42

ISSUE 1

The NASA Hubble Fellowship Program recently named 24 new fellows to its 2025 class. The NHFP fosters excellence and leadership in astrophysics by supporting exceptionally promising and innovative early-career astrophysicists. STScI administers the program on behalf of NASA, in collaboration with two other institutions.