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

Claims that the Nazca mummies represent a new alien species originate from a self-published paper by a retired paleontologist ...

An ancient asteroid older than Earth itself has reignited debate over whether life began in space. NASA's Bennu discovery ...

Even though these characters only appeared in a single episode of a "Star Trek" series, they left an unforgettable mark on ...

They're some of the most sterile places on Earth - but scientists have discovered dozens of new bacterial species inside NASA ...

The key idea behind our framework is that life produces molecules with purpose, while nonliving chemistry does not. Cells ...

Follow live updates about the suspect accused in the Brown University shooting and an MIT professor's death days later, ...

Researchers have pushed back on NASA's claims that 3I/ATLAS is an ordinary comet, just hours before it makes its closest ...

The Harvard professor provides a ceaseless flow of startling details in this exhaustively researched, 1000-year account ...

Trump is giving himself an A-plus-plus-plus, but the rest of America is anxious.

REx reveals asteroid Bennu contains life's building blocks, shedding light on Earth's origins and the potential for extraterrestrial life.

Comet 3I/Atlas is just the third known object to visit us from outside our solar system. So yes... we'll be talking about aliens.