NASA - Exploring the Universe

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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

Warped Debris Disks Around Stars Are Blowin’ in the Win...

False-color Hubble image masking star's direct light to bring out detail in the warped disk

08.28.09

The dust-filled disks where new planets may be forming around other stars occasionally take on some difficult-to-understand shapes.

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Science Instruments Ready for SOFIA Airborne Telescope

The SOFIA airborne observatory's 2.5-meter infrared telescope peers out from the SOFIA 747SP's rear fuselage.

08.27.09

Scientists are busy preparing for the "First Light" flight of NASA's Stratospheric Observatory for Infrared Astronomy, or SOFIA, a highly modified Boeing 747SP .

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Chandra's Top 10 Scientific Contributions

08.19.09

NASA's Chandra X-ray Observatory is celebrating 10 years of exploring the invisible universe.

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More Features

Galaxies Demand a Stellar Recount

For decades, astronomers have gone about their business of studying the cosmos with the assumption that stars of certain sizes form in certain quantities.
NASA's WISE Mission Arrives at Launch Site

NASA's Wide-field Infrared Survey Explorer, or WISE, has arrived at its last stop on Earth -- Vandenberg Air Force Base, Calif.
Planck Sees Light Billions of Years Old

The Planck space telescope has begun to collect light left over from the Big Bang explosion that created our universe.
Space Telescopes Find Trigger-Happy Star Formation

A new study from two of NASA's Great Observatories provides fresh insight into how some stars are born, along with a beautiful new image of a stellar nursery in our Milky Way galaxy.
Planet Smash-Up Sends Vaporized Rock, Hot Lava Flying

NASA's Spitzer Space Telescope has found evidence of a high-speed collision between two burgeoning planets around a young star.

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Latest News Releases

NASA Research Reveals Major Insight Into Evolution Of Life On Earth

08.19.09 - Humans might not be walking on Earth today if not for the ancient fusing of two microscopic, single-celled organisms called prokaryotes, NASA-funded research has found.
NASA Completes Assembly of Ares I-X Test Rocket

08.14.09 - For the first time in more than a quarter-century a new space vehicle stands ready in NASA's Kennedy Space Center Vehicle Assembly Building.