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 ...

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 ...