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

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

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

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

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