Comet 3I/ATLAS nears Earth on December 19, 2025. This interstellar visitor displays an unusual green glow. Scientists are ...
Morning Overview on MSNOpinion
Megaconstellations are putting space astronomy at risk
Low Earth orbit is filling up with industrial-scale fleets of satellites, and the collateral damage is becoming impossible to ...
Morning Overview on MSN
NASA warns SpaceX constellations could imperil Hubble
NASA scientists are sounding an alarm that would have been unthinkable a decade ago: the same commercial satellite ...
Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.
Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...
Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...
A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary ...
X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...
Phil Hilson would be the first to tell you that, for most of his life, photography wasn’t his “area of expertise,” but that ...
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