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

Harvard scientist Avi Loeb claims the interstellar object 3I/ATLAS may be alien technology sent to seed life on Earth, sparking a debate with sceptics who insist it is merely a comet.

May the faint chemical signals drifting through the atmosphere of a distant world be the long-sought message that we are not alone. Astronomers have reported seeing an unusual and strong combination ...

Here’s what you will learn when you read this story: Abiogenesis—the emergence of life from nonliving organics—is the leading theory regarding how life spawned on Earth, but it is being questioned.

A viral theory claims more than 50 alien ships are heading towards Earth led by interstellar object 3I/ATLAS. What is the ...

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, ...

"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 ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...