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

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity outside the solar system," according to a University of Cambridge study.

For a certain type of science-fiction fan, Exodus was the biggest announcement out of the 2025 Game Awards. Those fans just ...

For decades, scientists have searched the skies for signs of alien civilizations. This breakdown looks at why that approach ...

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

Before scoring a historic hit with Avatar, James Cameron produced this George Clooney-led sci-fi film (which was far from a ...

The comet is the 3rd interstellar object ever detected and got its name from the ATLAS telescope that discovered it. NASA officials have rejected conspiracy theories that the object could be an alien ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

NASA's Hubble Space Telescope and an ESA orbiter bound for Jupiter both recently glimpsed 3I/ATLAS. The comet will make its closest approach to Earth in December but poses no threat and is not visible ...

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

It's difficult to believe that, given the enormous extent of outer space around us, there aren't other life forms out there. Humanity has long been intrigued by the idea, with movies, books, and TV ...

A comet named 3I/ATLAS, originating from outside our solar system, is passing through Earth's cosmic neighborhood. NASA has released new images of the comet, which is only the third interstellar ...