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

A forgotten science-fiction miniseries from 2015 adapted one of Arthur C. Clarke's very best books in just three episodes.

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

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

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

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

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Spielberg has graced the silver screen with countless creative alien species in his career, and some have shown to be more threatening than others.

Left to Right: Steven Yeun in "Nope," the alien in Steven Spielberg's "E.T." and Scarlett Johansson in "Under the Skin" (Universal Pictures / A24) It didn’t take long for stories about ...

Spielberg returns to one of his favorite subjects with a fun and goofy popcorn movie that shows how far he's come in the last 50 years.

Researchers have developed a new framework for measuring the suffering caused by invasive species, which they hope will complement the existing global standard for assessing these species’ impact on ...

New claims that the United States has recovered remains of four separate species of alien life are sending shockwaves throughout the UFO disclosure movement, further drumming up conversations ...