A Brazilian neurosurgeon claims he performed surgery on a living alien, revealing shocking details from the 1996 Varginha UFO incident.

Scientists report the first confirmed detection of thiepine, a complex sulfur-bearing molecule, in an interstellar cloud near the Milky Way’s center.

A 13-atom molecule containing sulfur has been discovered in interstellar space for the first time, providing insight into the origins of the chemistry of life.

:rocket: Could aliens be hiding on a frozen twin of Earth? NASA has just discovered a rocky exoplanet that’s remarkably ...

A "crowdsourced" project in which home computer users were enlisted to help analyze radio signals from space is ending after more than two decades.

A thick shell "implies a longer route that oxygen and nutrients would have to travel to connect Europa’s surface with its ...

Scientists argue that limiting the search for life strictly to a star’s traditional habitable zone is too restrictive. That ...

Geophysicists at Washington State University have uncovered a possible explanation for how nutrients may travel into the subsurface ocean of Europa, a moon of Jupiter that ranks among the strongest ...

The complex building blocks of life can form spontaneously in space, a new lab experiment shows. The complex precursors to biological molecules can form spontaneously in interstellar space, according ...

The host Bill Maher fears aliens might meet Trump first, warning it would give them the wrong impression of humanity.

The search for life doesn’t have to reach distant star systems—some of the best candidates may be right here in our own solar ...

A former analyst at the UK central bank warned of apocalyptic financial scenarios if we ever confirm alien life.