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Expanding the Frontiers of Space Astronomy.

We are the Space Telescope Science Institute in Baltimore, Maryland, operated by the Association of Universities for Research in Astronomy. We help humanity explore the universe with advanced space telescopes and ever-growing data archives.

Since its launch in 1990, we have performed the science operations for the Hubble Space Telescope. We lead the science and mission operations for the James Webb Space Telescope (JWST), and perform parts of the science operations for the Nancy Grace Roman Space Telescope. We are also partners on several other NASA missions.

Our staff conducts world-class scientific research; our Barbara A. Mikulski Archive for Space Telescopes (MAST) curates and disseminates data from over 20 astronomical missions; and we bring science to the world through internationally recognized news, education, and public outreach programs.

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1:04

Multiwavelength Flight into the Cat's Head Nebula

Space Telescope Science Institute

Shared 1 week ago

2.9K views

3:30

Fast and Furious Star Formation in Starburst Galaxies

Space Telescope Science Institute

Shared 2 months ago

1.6K views

4:57

Why Roman Could Change Everything We Know About The Universe

Space Telescope Science Institute

Shared 2 months ago

650 views

0:40

Star Formation Rate in Andromeda Over Time

Space Telescope Science Institute

Shared 3 months ago

1.9K views

0:45

SOUND ON! Tidal Disruption Symphony Over Cosmic Time — Nancy Grace Roman Space Telescope

Space Telescope Science Institute

Shared 3 months ago

688 views

0:15

Animation of Black Hole Binary in Omega Centauri — Hubble Space Telescope

Space Telescope Science Institute

Shared 3 months ago

22K views

3:48

What Does the James Webb Space Telescope Learn From Light?

Space Telescope Science Institute

Shared 4 months ago

1.2K views

0:30

Zoom to See Terzan 5 Near Our Milky Way Galaxy's Bulge

Space Telescope Science Institute

Shared 4 months ago

3.3K views

0:30

Zoom Into the Milky Way's Galactic Bulge — Hubble/Roman Survey Regions

Space Telescope Science Institute

Shared 5 months ago

5K views

3:57

What Webb Learns from Light

Space Telescope Science Institute

Shared 6 months ago

3.6K views

0:46

Explore the Trifid Nebula

Space Telescope Science Institute

Shared 6 months ago

806 views

0:26

Changes in the Trifid Nebula (1997 and 2026 Observations)

Space Telescope Science Institute

Shared 6 months ago

1.4K views

0:28

Comet 41P Reversal Animation — Hubble Space Telescope

Space Telescope Science Institute

Shared 7 months ago

4.8K views

0:22

Crab Nebula Expansion Over 25 Years - Hubble Space Telescope

Space Telescope Science Institute

Shared 7 months ago

3.7K views

2:38

Tour the Crab Nebula

Space Telescope Science Institute

Shared 7 months ago

1.8K views

0:37

Image Sequence of V838 Monocerotis Epochs

Space Telescope Science Institute

Shared 8 months ago

1.1K views

0:16

Omega Centauri Proper Motion

Space Telescope Science Institute

Shared 8 months ago

3.1K views

0:34

Saturn Quadruple Moon Transit

Space Telescope Science Institute

Shared 8 months ago

738 views

0:27

Zoom into Galaxy Cluster Abell 370

Space Telescope Science Institute

Shared 8 months ago

704 views

13:18

An Un-peculiar Trio of Galaxies?: Hubble's Universe Unfiltered

Space Telescope Science Institute

Shared 8 months ago

598 views

0:33

Zoom into the Massive Galaxy Cluster Abell 2744

Space Telescope Science Institute

Shared 8 months ago

1K views

0:22

Uranus Time-Lapse Rotation — James Webb Space Telescope — January 2025

Space Telescope Science Institute

Shared 8 months ago

3.9K views

0:28

Zoom into Star-forming Region NGC 602

Space Telescope Science Institute

Shared 8 months ago

677 views

0:41

Zoom into Barred Spiral Galaxy NGC 1300

Space Telescope Science Institute

Shared 8 months ago

963 views

1:01

Zoom into NGC 2174 (the Monkey Head Nebula)

Space Telescope Science Institute

Shared 8 months ago

948 views

10:29

Through a Lens, Brightly: Hubble's Universe Unfiltered

Space Telescope Science Institute

Shared 8 months ago

519 views

0:27

Zoom into Star-forming Region NGC 3603

Space Telescope Science Institute

Shared 8 months ago

603 views

0:59

Zoom into Planetary Nebula NGC 5189

Space Telescope Science Institute

Shared 8 months ago

806 views

4:06

Webb: Transforming Our Understanding of Star Formation

Space Telescope Science Institute

Shared 8 months ago

10K views

0:22

Zoom into the Heart of Globular Star Cluster Omega Centauri

Space Telescope Science Institute

Shared 8 months ago

774 views

1:01

Exploring the Structure of the Egg Nebula — Hubble Space Telescope

Space Telescope Science Institute

Shared 8 months ago

6.9K views

0:51

Zoom into Spiral Galaxy M83

Space Telescope Science Institute

Shared 8 months ago

1K views

12:19

Jupiter Gets the Measles: Hubble's Universe Unfiltered

Space Telescope Science Institute

Shared 8 months ago

504 views

0:27

Zoom into Galaxy Group Stephens Quintet

Space Telescope Science Institute

Shared 9 months ago

709 views

0:29

Zoom into the Antennae Galaxies

Space Telescope Science Institute

Shared 9 months ago

966 views

0:24

Zoom into the Carina Nebula

Space Telescope Science Institute

Shared 9 months ago

1.5K views

0:31

Zoom into the Cat's Eye Nebula

Space Telescope Science Institute

Shared 9 months ago

1K views

0:31

Zoom into the Crab Nebula

Space Telescope Science Institute

Shared 9 months ago

1.4K views

0:36

Zoom and Pan of the Hubble Ultra Deep Field 2014

Space Telescope Science Institute

Shared 9 months ago

1.2K views

0:42

Zoom into the Sombrero Galaxy

Space Telescope Science Institute

Shared 9 months ago

995 views

10:30

Interacting Galaxies Galore: Hubble's Universe Unfiltered

Space Telescope Science Institute

Shared 9 months ago

661 views

2:09

Zoom into the Heart of the Tarantula Nebula

Space Telescope Science Institute

Shared 9 months ago

863 views

0:31

Zoom into the Pillars of Creation (M16) 2015

Space Telescope Science Institute

Shared 9 months ago

818 views

0:31

Zoom into the Bubble Nebula

Space Telescope Science Institute

Shared 9 months ago

547 views

0:14

Helix Nebula — Observatory Comparison (Hubble/Spitzer/Webb)

Space Telescope Science Institute

Shared 9 months ago

7.1K views

0:38

Zoom into the Center of Our Galaxy

Space Telescope Science Institute

Shared 9 months ago

1.6K views

13:51

Hubble Falls Into Coma: Hubble's Universe Unfiltered

Space Telescope Science Institute

Shared 9 months ago

590 views

1:22:24

The 2017 Total Solar Eclipse: Chasing Shadows Across America

Space Telescope Science Institute

Shared 9 months ago

43 views

1:37:44

Mapping the Heavens: The Radical Scientific Ideas That Reveal The Cosmos

Space Telescope Science Institute

Shared 9 months ago

99 views

1:05:59

The Composition of Galaxies: Looking Beyond The Stars

Space Telescope Science Institute

Shared 9 months ago

106 views

1:23:08

3D Spectroscopy and the Dynamics of Galaxies

Space Telescope Science Institute

Shared 9 months ago

112 views

1:13:34

The Harvard "Computers" and the Classification of Stars

Space Telescope Science Institute

Shared 9 months ago

185 views

1:26:31

Dark Energy and New Worlds: NASA's WFIRST Mission

Space Telescope Science Institute

Shared 9 months ago

98 views

1:23:46

How to Find an Inhabited Exoplanet

Space Telescope Science Institute

Shared 9 months ago

70 views

1:29:56

The View from Mission Operations

Space Telescope Science Institute

Shared 9 months ago

25 views

1:21:50

Active Luminous Blue Variables in the Large Magellanic Cloud

Space Telescope Science Institute

Shared 9 months ago

136 views

1:27:03

Cassini's Grand Finale at Saturn

Space Telescope Science Institute

Shared 9 months ago

96 views

1:17:16

Dangerous Worlds

Space Telescope Science Institute

Shared 9 months ago

66 views

1:10:19

Olbers' Paradox and Gravitational Light Deflection

Space Telescope Science Institute

Shared 9 months ago

122 views

1:34

Constructing the Hertzsprung-Russell Diagram for Globular Star Cluster Omega Centauri

Space Telescope Science Institute

Shared 9 months ago

1.4K views

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