Scientists from the Max Planck Institute for Extraterrestrial Physics have spotted the largest complex molecule in deep space ...

Harvard scientist Avi Loeb suggests comet 3I/ATLAS may be an alien vessel seeding life, after NASA's SPHEREx spacecraft detected unexplained methane and organic chemicals on board.

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

In a groundbreaking observation, astronomers have detected the first ever radio signal from the interstellar comet 3I/ATLAS, an object originating from outside our solar system. This unusual signal ...

The complex building blocks of life can form spontaneously in space, a new lab experiment shows.

"The universe is a pretty big place. So if it's just us... seems like an awful waste of space," goes a line from the 1997 film "Contact." In the movie, Jodie Foster plays Dr. Ellie Arroway, a radio ...