It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

The most startling revelation regarding 3I/ATLAS concerns its age. Associate Professor Michele Bannister of the University of ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

While many sci-fi hits have spawned extended franchises, these standalone works prove that science fiction movies can leave ...

Unlike the comets that call our solar system home, 3I/ATLAS is a cosmic nomad on a hyperbolic trajectory — a one-time flyby ...

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

If you spotted a bright white light trail in the western Colorado sky on Friday, Jan. 2, we regret to inform it wasn’t aliens ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

That book is none other than Ursula K. Le Guin's classic novel The Left Hand of Darkness, which is Carol Sturka's (Rhea ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

The mysterious space rock suggested to be a hostile alien spaceship was due to make its closest approach to Earth today (Dec 19). The rare interstellar visitor, designated Comet 3I/ATLAS, was ...