The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Why are we allowing unidentified objects to operate with impunity in our skies?” one expert testified Tuesday.

SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands ...

An astrophysicist who searches for life in the Universe unpacks Steven Spielberg's UFO blockbuster Disclosure Day ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

The pilots dubbed the fireballs “foo fighters” but had no idea what they were. Plasma? Enemy tech? Aliens? We still haven’t ...

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

This video explores obscure answers to the Fermi Paradox, asking why the universe seems silent if alien civilizations should ...

A man who claims to be a time traveler from the year 2118 has made a series of extraordinary predictions about the future, ...