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Space Telescope Science Institute
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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 will 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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3:18

Hubble ACS 20th Anniversary Video

Space Telescope Science Institute

Shared 16 hours ago

193 views

0:41

Zoom to AG Carinae

Space Telescope Science Institute

Shared 1 day ago

346 views

0:24

Moving Winds in Jupiter’s Great Red Spot

Space Telescope Science Institute

Shared 2 days ago

576 views

1:18:40

Initial Exoplanet Discoveries from TESS

Space Telescope Science Institute

Shared 2 days ago

39 views

1:08:12

Our Place in the Stars

Space Telescope Science Institute

Shared 2 days ago

21 views

58:13

An Astrovizicist’s Guide to the Film ‘Deep Field: The Impossible Magnitude of Our Universe’

Space Telescope Science Institute

Shared 2 days ago

71 views

1:26:17

The Deaths and Afterlives of Massive Stars

Space Telescope Science Institute

Shared 2 days ago

40 views

1:15:01

The Fiery Fate of Exoplanets

Space Telescope Science Institute

Shared 2 days ago

60 views

1:06:08

Recycle Your Used Pulsars: Explaining the Extra Gamma-Radiation from the Central Milky Way

Space Telescope Science Institute

Shared 2 days ago

23 views

1:21:31

Our Colorful Universe: Translating Cosmic Light

Space Telescope Science Institute

Shared 3 days ago

13 views

52:02

Tiny Stellar Islands in a Big Old Universe

Space Telescope Science Institute

Shared 3 days ago

33 views

1:31:11

The Astronomer’s Toolkit

Space Telescope Science Institute

Shared 3 days ago

31 views

1:23:00

Black Holes and Gravitational Waves

Space Telescope Science Institute

Shared 3 days ago

38 views

1:29:20

Unveiling the Cosmos: Key Inventions Behind the Modern Telescope

Space Telescope Science Institute

Shared 3 days ago

18 views

1:22:16

Red and Brown Dwarfs: Understanding Our Smallest and Closest Stellar Neighbors

Space Telescope Science Institute

Shared 3 days ago

51 views

1:55

Take a Tour of NGC 1333

Space Telescope Science Institute

Shared 5 days ago

538 views

0:35

Fomalhaut CS2 — Hubble Space Telescope — Science Animation

Space Telescope Science Institute

Shared 5 days ago

10K views

2:36

A Tour of Messier 76

Space Telescope Science Institute

Shared 6 days ago

442 views

1:09

A Galactic Smash Hit: Galaxy Collision Simulation

Space Telescope Science Institute

Shared 1 week ago

672 views

0:20

Exoplanet PSR J2322-2650b Orbiting a Pulsar

Space Telescope Science Institute

Shared 1 week ago

1K views

0:59

Stellar Greetings from Globular Cluster M79

Space Telescope Science Institute

Shared 1 week ago

685 views

1:01

Measuring Cosmic Voids with the Roman Space Telescope

Space Telescope Science Institute

Shared 1 week ago

591 views

0:49

Flight Through the Hubble eXtreme Deep Field

Space Telescope Science Institute

Shared 1 week ago

853 views

0:51

Helix Nebula Model

Space Telescope Science Institute

Shared 1 week ago

518 views

0:31

A Flight Into the Dark Pillars of Carina

Space Telescope Science Institute

Shared 1 week ago

397 views

0:46

Rendezvous with Interacting Galaxies Arp 273

Space Telescope Science Institute

Shared 2 weeks ago

820 views

1:46

Exploring the Structure of the Ring Nebula

Space Telescope Science Institute

Shared 2 weeks ago

671 views

1:36

Galaxy Collisions: Simulation vs Observations

Space Telescope Science Institute

Shared 2 weeks ago

619 views

1:22:25

Cloudy with a Chance of Stars

Space Telescope Science Institute

Shared 2 weeks ago

30 views

1:23:12

The Crab Nebula and Things that Go Kaboom in the Night

Space Telescope Science Institute

Shared 2 weeks ago

61 views

1:12:38

Exoplanets: A Search for New Worlds

Space Telescope Science Institute

Shared 2 weeks ago

76 views

1:20:10

Rubin’s Galaxy: A Gentle Giant Spiral Galaxy

Space Telescope Science Institute

Shared 2 weeks ago

42 views

59:40

'Oumuamua: A Mysterious Interstellar Interloper

Space Telescope Science Institute

Shared 2 weeks ago

58 views

1:19:27

Armchair Astrophysics: Finding Physics Far and Wide

Space Telescope Science Institute

Shared 2 weeks ago

54 views

1:18:36

Sailing across the Local Universe with ULLYSES

Space Telescope Science Institute

Shared 2 weeks ago

36 views

1:22:03

The Nancy Grace Roman Space Telescope

Space Telescope Science Institute

Shared 2 weeks ago

50 views

1:28:52

Hearing The Light: Astronomy Data Sonification

Space Telescope Science Institute

Shared 2 weeks ago

9 views

1:04:14

Shaping Galaxies with Supermassive Black Hole Winds

Space Telescope Science Institute

Shared 2 weeks ago

29 views

0:43

Jupiter Globe Rotation

Space Telescope Science Institute

Shared 2 weeks ago

2.5K views

1:19

Across the Universe: Hubble Ultra Deep Field

Space Telescope Science Institute

Shared 2 weeks ago

1K views

0:54

Active Galaxy Hercules A: Visible & Radio Comparison

Space Telescope Science Institute

Shared 3 weeks ago

619 views

0:49

Moon Shadows on Saturn

Space Telescope Science Institute

Shared 3 weeks ago

3.4K views

0:49

Mystic Mountain: Bright Pillar in the Carina Nebula

Space Telescope Science Institute

Shared 3 weeks ago

880 views

1:05

Star Clusters in Collision

Space Telescope Science Institute

Shared 4 weeks ago

565 views

1:18

Evaporating Peaks: Pillars in the Monkey Head Nebula

Space Telescope Science Institute

Shared 4 weeks ago

666 views

0:49

A Horse of a Different Color: The Gaseous Landscape of the Horsehead Nebula in Infrared

Space Telescope Science Institute

Shared 1 month ago

3.1K views

1:27:39

The Darkest Secrets of the Universe

Space Telescope Science Institute

Shared 1 month ago

65 views

1:28:28

The Milky Way vs. Andromeda: When Galaxies Collide

Space Telescope Science Institute

Shared 1 month ago

97 views

1:23:39

The Hubble Space Telescope: From Cosmological Conflict to Alien Atmospheres

Space Telescope Science Institute

Shared 1 month ago

30 views

1:30:56

Spacefarers: How Humans Will Settle the Moon, Mars, and Beyond

Space Telescope Science Institute

Shared 1 month ago

91 views

1:41:05

Finding the Music of the Spheres: Hearing Stars

Space Telescope Science Institute

Shared 1 month ago

33 views

1:28:27

How to Hunt for Distant Worlds

Space Telescope Science Institute

Shared 1 month ago

22 views

1:20:35

Armchair Astrophysics, Volume 2

Space Telescope Science Institute

Shared 1 month ago

13 views

1:25:37

The Importance of Small Objects: Exocomets

Space Telescope Science Institute

Shared 1 month ago

9 views

1:09:47

Astronomy vs. Astrology: What’s the Difference, Really?

Space Telescope Science Institute

Shared 1 month ago

21 views

1:28:13

How Dark Is Space?

Space Telescope Science Institute

Shared 1 month ago

16 views

1:22:58

4000 Years of Women in Science

Space Telescope Science Institute

Shared 1 month ago

4 views

1:17:08

The Webb Space Telescope: Launching a Legacy

Space Telescope Science Institute

Shared 1 month ago

30 views

0:59

Celestial Lightsabers: Stellar Jets in HH24

Space Telescope Science Institute

Shared 1 month ago

666 views

1:02

Red Giant Echoes

Space Telescope Science Institute

Shared 1 month ago

1.9K views

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