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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

Events Quarterly: What’s Happening at STScI

Join upcoming astronomy events, including Inter+Stellar, Cosmic Cartography with Roman, and Towards the Habitable Worlds Observatory.
2024 Annual Report

Last year, Hubble and Webb delivered top-tier science, and preparations for Roman’s launch and operations continued.
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.

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...
Webb Office Hours

22 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...
JWebbinar 42 - JWST and the NASA Ames PAH IR Spectroscopic Database

4 Jun 2025

The NASA Ames Polycyclic Aromatic Hydrocarbon Infrared Spectroscopic Database (PAHdb) provides a from-the-ground-up means to analyze and interpret the PAH component in JWST observations....
2025 HotSci at JHU/STScI: Stellar Populations

4 Jun 2025

"Stellar Populations" featuring Peter Zeidler (STScI) on Sub-stellar Cluster Populations at Low Metallicities - the Discovery of the First Extra-Galactic Young Brown Dwarf...
JWST at the 246th American Astronomical Society Meeting

8-12 Jun 2025

The 246th American Astronomical Society (AAS) meeting will include a variety of events focused on science with JWST as we get ready to wrap up Cycle 3, prepare for Cycle...
2025 HotSci at JHU/STScI: Big Data

11 Jun 2025

"Big Data" featuring Digvijay (Jay) Wadekar (JHU) on Best of Both Worlds: Integrating Principled Matched-Filtering GW Searches with AI/ML Tools and Russell Ryan...