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We Are Multi-Mission

We help humanity explore the universe with advanced space telescopes and ever-growing data archives.
We Further Scientific Research

We envision, define, and operate missions that offer cutting-edge research opportunities for the astronomical community.
We Inspire Through Outreach

We share scientific knowledge of the universe in ways that inspire, excite, challenge, and educate.

Institute Announcements

2024 Annual Report

Last year, Hubble and Webb delivered top-tier science, and preparations for Roman’s launch and operations continued.
Latest STScI Newsletter Contains Multi-mission News

Explore STScI’s review of 2024, find out what Hubble and Webb are observing right now, and preview Recollect, STScI’s new digital collections portal.
What Are Hubble and Webb Looking at Now?

Check out the revamped Space Telescope Live to find out what Hubble and Webb are currently observing.

Spring Colloquium: Presentations from STScI Postdocs

30 Apr 2025

Presentations featuring Christiana Erba, Chamani Gunasekera, Daniel Maschmann, and Adam Smercina.
JWebbinar 41 - Exoplanet Time-Series Observations with MIRI

5 May 2025

This JWebbinar — Exoplanet Time-Series Observations with MIRI: From Pixels to Transit/Eclipse Light Curves to Results — will begin with a brief overview of data processing...
Observing the Circum(sub)stellar Environments and Atmospheres of the Lowest-Mass Stars, Brown Dwarfs, and Planets

7 May 2025

The lowest-mass stars and substellar objects serve as a natural bridge between stars and planets, covering the peak of the initial mass function and representing the most common outcomes...
Webb Office Hours

8 May 2025

The JWST User Community is invited to call into Webb Office Hours to ask questions and directly interact with a team of STScI JWST experts via WebEx. We welcome questions about the...
Inter+Stellar: Harnessing the Intersection Between Stars and the Interstellar Medium

12-16 May 2025

Historically, stars and the ISM in the nearby Universe have often been studied individually. However, this past decade of research has shown that the most exciting advances in each...
The Mysterious Nature of Little Red Dots

21 May 2025

One of the more unexpected discoveries from the James Webb Space Telescope (JWST) is the emergence of a significant population of compact, high-redshift sources at z > 4 known as...