Viral videos showing red beams before the Venezuela earthquake have sparked conspiracy theories. However, analyses reveal no ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

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

Does a video show how multiple laser beams scanned the ground in the instant before the Venezuela earthquakes struck? No, ...

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

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

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