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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

Roman's Cycle 1 Call for Proposals is Now Open

Propose by March 17, 2026 for support of scientific investigations of Wide Field Instrument data, new General Astrophysics Survey observations, and more.
Hubble Cycle 34 Call for Proposals

Find resources and details about the Hubble Cycle 34 Call for Proposals, which are due no later than Thursday, April 16, 2026 at 8 p.m. Eastern Daylight Time.
Explore Recently Revamped HST Notebooks

Expect improved performance and ease of use when analyzing HST data with newly revised Jupyter Notebook tutorials.

JWST at the 247th American Astronomical Society Meeting

4-8 Jan 2026

The 247th American Astronomical Society (AAS) meeting will include sessions focused on groundbreaking science with JWST, as well as a report from STScI as we get ready to wrap...
HST at the 247th American Astronomical Society Meeting

4-8 Jan 2026

The 247th American Astronomical Society (AAS) meeting will include updates on the status of the HST observatory, an exhibit booth, press releases, and numerous science and technical...
Roman at the 247th American Astronomical Society Meeting

4-8 Jan 2026

The 247th American Astronomical Society (AAS) meeting will feature a variety of events focused on science with Roman, such as town halls, splinter sessions, and iposter presentations....
Habitable Worlds Observatory at the 247th American Astronomical Society Meeting

4-8 Jan 2026

The 247th American Astronomical Society (AAS) meeting will include a variety of events focused on the Habitable Worlds Observatory. NASA's Habitable Worlds Observatory Special...
CoolSci: Celebrating STScI Achievement in Astronomical Research Award Winners

14 Jan 2026

Featuring 2025 STScI Achievement in Astronomical Research Award Winners Marco Chiaberge (STScI), Stephanie La Massa (STScI), and Marc Rafelski (STScI).
CoolSci: Presentations from STScI Postdocs

21 Jan 2026

Presentations featuring Vital Fernandez, Benjamin Gibson, Doyeon Avery Kim, and John Soltis.