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 ...

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

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

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

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

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

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

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

It comes after the US president directed his administration to declassify more information on the issue ...