NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the sky ...

July 3 (UPI) -- NASA discovered the third interstellar comet through a survey telescope in Rio Hurtado, Chile. The ...

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

NASA's retired Space Shuttle Discovery could be on the move from Virginia to Texas under a provision in the GOP's so-called ...

NASA has confirmed the discovery of an Earth-sized planet parked right in the “habitable zone” of a distant red dwarf star.

Far beyond the warmth of our Sun, hidden beneath a dense orange haze, Saturn’s moon Titan holds secrets that defy imagination ...

The Interstellar Boundary Explorer (IBEX) is a small satellite already orbiting Earth. IBEX has special instruments gathering ...

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth? A discovery ...

NASA's ATLAS telescope has detected a fast-moving interstellar comet, 3I/Atlas, which poses no threat to Earth. The comet is expected to approach the Sun around October 30.

NASA has discovered a rare interstellar object named 3I/ATLAS—only the third of its kind ever detected. The comet, which ...