“Mr. Chair, the truth is out there.” That’s what Rep. Nate Davidson, D-Cumberland and Dauphin said during a Tuesday Pa. House ...

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 ...

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

An unusual destination in the Caribbean that some call the "eighth wonder of the world" is a scientific marvel with life ...

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

A monumental, beautiful life event where tribes of family and friends from all over the world flocked to California for a few ...

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