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

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

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

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

Losing your iPhone at the beginning of the New Year is no fun, but there's hope. Here's what you can do to find it.

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

Did NASA discover city lights on an alien planet? This video explores the implications and details of the findings that suggest the presence of artificial light sources on a distant exoplanet. The ...

Case in point: James Cameron’s Aliens took a sharp turn from Ridley Scott’s original film, changing the tone from a sci-fi/horror nightmare to an action-horror thrill ride. Cameron was clearly ...

Alien invasion stories are among the earliest science fiction in the Western canon—they not only explore the strange and unknown but also heighten the stakes by bringing danger inside human ...