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

Hello and welcome guys, I'm so excited to show you guys this creation! I'll be posting a few more halloween themed videos in ...

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

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

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

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

Add Yahoo as a preferred source to see more of our stories on Google. Nov. 2, 2015 - CBS Television Studios announced today ...

The Supreme Court has upheld a broad conception of birthright citizenship, rejecting President Donald Trump’s executive order.

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...