This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

Long before modern space exploration, scientists proposed astonishing ways to contact extraterrestrials—from giant burning ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in space (and it will ...

IDW Publishing is highlighting the best part of Star Trek with its reprints of classic Trek comics that explore the franchise ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

That sharp, briny smell is not the salt, it is a gas made by life, breathed out by tiny ocean creatures too small to see. For ...