New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.
A remarkably clean gravitational-wave detection has confirmed long-standing predictions about black holes, including ...
Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...
The idea that we might be living in a simulated reality has worried us for centuries. Now physicists have found some ...
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