NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

Avi Loeb's new study of 3I/ATLAS reveals a 7.1-hour rotation and a bizarre solar alignment, raising questions about the ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

For over two decades, millions volunteered their computers to help UC Berkeley scientists in their search for ...

The faces in the video are calm. Some smile. One woman is almost crying. None of them sound afraid. They speak softly into ...