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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

Rocky Worlds Updates + Scheduling Hubble and Webb

Learn about the targets and goals of the Rocky Worlds DDT program, and how STScI schedules Hubble and Webb observations.
NASA Hubble Fellowship Program (NHFP) Applications Are Open

NHFP Fellowships support promising postdoctoral scientists pursuing independent research contributing to NASA Astrophysics. Applications close October 29, 2025.
Giacconi Fellowship Applications Are Open

We are seeking to hire at least one Giacconi Fellow this year. Applications will close October 22, 2025.

Resolved Stellar Populations and the ISM: Small Scales, Big Fun

22 Oct 2025

Many of the astrophysical processes that shape galaxies — stellar evolution, star formation, feedback into the ISM — are fundamentally small-scale. At the typical kiloparsec-scale...
Webb Office Hours

23 Oct 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...
Special JWebbinar - JSTUC Community Forum 2

27 Oct 2025

The JWST Users Committee (JSTUC) will hold their second Community Forum to continue discussions with the JWST user community. The JSTUC’s primary goal is to advise STScI and the...
Fall Colloquium: Presentations from STScI Postdocs

29 Oct 2025

Presentations featuring Vital Fernandez, Benjamin Gibson, Doyeon Avery Kim, and John Soltis.
JWST as a New Voyager for Giant Planet Systems

30 Oct 2025

The 2025 ESA Distinguished Lecture will feature Professor Leigh Fletcher, who is a Professor of Planetary Science at the University of Leicester, specialising in the exploration...
Atmospheric Escape and Replenishment in Planetary Systems Workshop

4-7 Nov 2025

The competition between atmospheric mass-loss through escape versus replenishment by outgassing determines the formation, evolution, and ultimate fate of planetary atmospheres inside...