NASA's Swift satellite has found the most distant gamma-ray burst ever detected. The blast arose from a star 12.8 billion light-years away.
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Hubble Servicing Mission 4
Shuttle astronauts return to extend the life of the famed observatory
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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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NASA's Swift Spots Farthest Gamma-Ray Burst
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NASA's Carl Sagan Fellows to Study Extraterrestrial Worlds
NASA announced Wednesday the new Carl Sagan Postdoctoral Fellowships in Exoplanet Exploration, created to inspire the next generation of explorers seeking to learn more about planets, and possibly life, around other stars.
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A Clash of Clusters
A powerful collision of galaxy clusters is seen by Chandra and Hubble.
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Most Black Holes Might Come in Only Small and Large
Black holes are sometimes huge cosmic beasts, billions of times the mass of our sun, and sometimes petite with just a few times the sun's mass.
Latest News Releases
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NASA's Swift Catches Farthest-Ever Gamma-Ray Burst
09.19.08 - NASA's Swift satellite has found the most distant gamma-ray burst ever detected. The blast, designated GRB 080913, arose from an exploding star 12.8 billion light-years away.
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NASA Selects Mission to Study Mars Atmosphere
09.15.08 - NASA has selected a Mars robotic mission that will provide information about the Red Planet's atmosphere, climate history and potential habitability in greater detail than ever before.
 "Close-up of an astronaut's hand removing screws from the cover of STIS with the fastener capture plate")
 "What's Up?")
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