NASA - Exploring the Universe

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Hubble Space Telescope

Sending back breathtaking images and important science data, Hubble is one of the most productive scientific instruments ever built.

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Spitzer Space Telescope

Unlocking the mysteries of the universe with infrared eyes.

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Composite image of the central region of Orion

Science Mission Directorate

NASA studies the universe from the smallest particles of matter and energy to the biggest questions of the evolution and structure of the cosmos.

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Latest Features

NASA's GLAST Gets Shades, Blankets for the Beach

A worker looks over the star tracker sun shades just installed on the GLAST spacecraft.

05.14.08

NASA's Gamma-ray Large Area Space Telescope, or GLAST, is receiving finishing touches at the Cape Canaveral Air Force Station, near the beaches of eastern central Florida for its launch.

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Kepler Offers Opportunity to Send Names Into Space

05.05.08

Here's your chance to have your name on board the spacecraft that could discover the first known Earth-like planet beyond our solar system.

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Compact Galaxies in Early Universe Pack a Big Punch

Hubble image of compact galaxies from 11 billion years ago.

04.30.08

Astronomers used Hubble and the W.M. Keck Observatory to study the galaxies as they existed 11 billion years ago.

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More Features

Stellar Ticking Time Bomb Explodes on Cue

Astronomers have discovered a timing mechanism that allows them to predict exactly when a neutron star will unleash incredibly powerful explosions.
Galaxy Evolution Explorer Celebrates Five Years in Space

Since its launch five years ago, the Galaxy Evolution Explorer has photographed hundreds of millions of galaxies in ultraviolet light.
Oldest Known Objects Are Surprisingly Immature

A new study using Chandra X-ray Observatory data shows globular clusters might be surprisingly less mature than previously thought.
Cosmic Collisions Galore!

Astronomy textbooks typically present galaxies as staid, solitary, and majestic island worlds of glittering stars, but galaxies have a wild side.
Powerful Antenna Attached to NASA's GLAST Satellite

The powerful antenna system that will enable NASA's GLAST to communicate with stations on Earth has been successfully connected to the spacecraft.

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Latest Press Releases

NASA to Announce Success of Long Galactic Hunt

05.07.08 - NASA has scheduled a media teleconference Wednesday, May 14, at 1 p.m. EDT, to announce the discovery of an object in our Galaxy astronomers have been hunting for more than 50 years.
Astronauts to Make Virtual Connection With Students

04.25.08 - Astronauts flying on a space shuttle mission to service the Hubble Space Telescope for a final time will speak to middle school students across America simultaneously at 1:15 p.m. EDT, April 30, from NASA's Goddard Space Flight Center in Greenbelt, Md.