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

A 10,000-pound package was delivered on Feb. 16 to the W. M. Keck Observatory near the summit of Mauna Kea. Inside is a powerful new scientific instrument that will dramatically increase the cosmic ...

Only about one third of students could correctly identify basic astronomical distance scales, with many unaware that stars ...