Three interstellar objects; ʻOumuamua, 2I/Borisov, and 3I/ATLAS—have passed through the Solar System. This article details ...

Indian scientists are analysing fresh data on 3I/Atlas after early readings suggested the interstellar visitor was detected before NASA’s report.

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space agency spotted the quick-moving object with the Atlas telescope in Chile on ...

NASA has paused operations of the Neutron Star Interior Composition Explorer (NICER) aboard the International Space Station ...

The sun is in a spirited mood as it kicks out a glowing series of solar flares, including a fresh X9 that's the most intense we've seen in years. Amanda Kooser Freelance writer Amanda C. Kooser covers ...

Scientists found new evidence to strengthen the case that Enceladus, small moon of Saturn about 310 miles wide, may have conditions suitable for life.

NASA acting Administrator Sean Duffy made two television appearances on Monday morning in which he shook up the space ...