Hubble Space Telescope
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Science
Astronomers Witness Longest-Lasting Gamma-Ray Burst in History, 8 Billion Light-Years Away
Astronomers observed a 7-hour gamma-ray burst from 8 billion light-years away, unlike anything seen before. GRB 250702B, a seven-hour gamma-ray…
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Science
Interstellar Comet 3I/ATLAS Nears Earth on Dec. 19, Offering Rare Insights Into Cosmic Visitors
Comet 3I/ATLAS, an interstellar visitor, makes its closest approach to Earth on Dec. 19, allowing detailed observations. Interstellar comet 3I/ATLAS…