Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

Three orange lights in a "perfect triangle" in the sky were reported to police in Northern Ireland in 2025, it can be ...

It's almost certainly not an extraterrestrial telegram. But waves that seemed to come from the vicinity of Proxima Centauri ...

Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

"It's really not a question of robotic exploration or human exploration," Ehlmann said. "It is an 'and' — it's robotic and ...