Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

Astronomers have discovered an additional 100 new worlds in data collected by NASA's exoplanet-hunting spacecraft TESS, ...

The US government's registration of alien.gov and aliens.gov has triggered global speculation about a potential UFO ...

By applying machine learning to vast TESS datasets, researchers have built one of the most precise catalogs of nearby exoplanets to date.

The spud's alien-like root growth has prompted some conspiracy theories.

A meteor streaked across Cleveland, causing a sonic boom and sparking humorous alien jokes. NASA confirms the meteor ...

Andy Weir singled out the two scenes that stood out in particular as his favorites from the adaptation.

There’s a new science fiction film in theaters that is largely based on science fact. "Project Hail Mary," from directing duo ...

Aliens did not visit Earth in the distant past. They didn't build the pyramids or rule ancient Greece from Mount Olympus or ...

American lawmakers are demanding answers from the Trump administration after a Canadian man says U.S. customs officers held ...

This artistic illustration shows the TRAPPIST-1 red dwarf star system, home to seven Earth-sized exoplanets, several of which ...

Thousands of dead fish are washing ashore and people are falling ill too, as officials investigate possible sources of contamination.