AI helped researchers probe the Hubble Space Telescope's archive to find strange celestial objects, including some ...

Physicists have finally confirmed a phenomenon that sounds like pure science fiction: waves that appear to bounce off a sudden change in time rather than a surface in space. The effect, known as a ...

This cosmic question mark, seen in 2024, is courtesy of galaxy cluster MACS-J0417.5-1154, which is so massive that it is ...

An astronomy graduate student in England was scouring more than 100 pages of data per day from a radio telescope when she noticed a strange, repeating signal that she dubbed "LGM" — short for "little ...