For decades, astronomers have been vying to identify a source for a mysterious gamma-ray excess at the...
Milky Way
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The finding suggests a pair of gigantic Fermi bubbles in our galaxy formed after the dinosaurs.
The closest galactic relative to the Milky Way helped astronomers discover dark matter in the 1960’s.
NASA’s flagship space telescope captured flares from the disk of superheated material around the black hole, revealing...
A super-Neptune orbiting a star is zipping through space at 1.2 million miles per hour—or potentially faster.
