Using a powerful mathematical tool, scientists have unveiled the intricate "ringing" of black holes, unlocking patterns missed for decades and laying the groundwork for sharper gravitational wave ...

It may be possible for a swarm of ultralight nanocrafts—propelled by a laser and traveling at a third of the speed of light—to make it to a black hole within about a century. For a spacecraft like ...

To study the origins of our universe is to struggle with profound chicken-or-egg questions. We know the Big Bang happened. Cosmologists can see its afterglow in the sky. But no one knows whether the ...