The comet is now racing away from the sun following a close flyby on Jan. 20.

Observations of interstellar object 3I/ATLAS show increased water, carbon dioxide, and organic gas release after its passage near the Sun, based on data from NASA’s SPHEREx mission ...

Following a massive cryovolcanic eruption, the mysterious Comet 29P/Schwassmann-Wachmann has been morphed into a giant spiral ...

Could Comet C/2026 A1 (MAPS) be the next "Great Comet"? Discovered in January, this sungrazing comet may be visible in broad ...

Scientists and skylovers are buzzing about a newfound comet that could deliver a spectacular celestial show come spring. This ...

NASA confirms Comet C/2024 E1's perihelion on 20 January 20 will increase brightness but limit visibility; experts urge ...

Initial analysis suggested the nucleus was approximately 13.7 kilometers wide (roughly city-sized); however, researchers ...

STUNNED astronomers have spotted a new comet out in space – and it this could be a pretty special one. There’s a chance it’ll be visible with the naked eye in just a few weeks ...

NASA's infrared telescope SPHEREx captured stunning images of interstellar comet 3I/ATLAS as it exited the solar system.

Evidence from medieval chronicles suggests that the periodic nature of Halley’s Comet was recognized centuries earlier than previously believed.