A massive interstellar object, 3I/ATLAS, discovered by NASA, is sparking global fascination and conspiracy theories online, ...

Harvard astrophysicist Avi Loeb suggests interstellar object 3I/ATLAS could be far more massive than previously thought.

NASA has made significant discoveries that may indicate the presence of life on Mars. This video explores the latest findings ...

Seismic studies reveal Mars may have a solid inner core. The result deepens knowledge of its evolution and lost magnetic field. Researchers have determined that Mars shares a structural similarity ...

AUSTIN (KXAN) — The discovery of life on Mars is a tad closer than ever before. This month, NASA announced the discovery of signs of life on the red planet in deposits of clay and silt in a canyon.

Ancient organisms may have left microscopic "biosignatures" on Mars. That's according to NASA scientists, who say a rock ...