Astronomers with the Event Horizon Telescope have developed a new way to observe the radio sky at multiple frequencies, and ...

Black holes are places where gravity is so powerful that nothing — not even light — can escape. Rather than being empty, ...

When people think of black holes, they imagine something dramatic: a star exploding in space, collapsing in on itself, and ...

What lies at the heart of a black hole has puzzled physicists for decades. Now, a team led by physicist Enrico Rinaldi has ...

Most people have never heard of vacuum decay, but if it happened it would be the biggest natural disaster in the universe. If ...

Astronomers discover more than 100 hidden black holes in a star cluster, revealing surprising movements in ancient galactic ...

Some stars streaking through the Milky Way at millions of kilometers per hour probably trace back to a supermassive black ...

Among the events it can identify are tidal disruption events, where a star gets spaghettified by the enormous gravity of a ...

A newly analyzed radio image reveals twin lobes stretching roughly 66,000 light-years on each side of a quasar called ...

"The ultimate end of the universe comes much sooner than expected, but fortunately it still takes a very long time," Heino ...

Right field has long been a land of platoon bats, repositioned infielders and patchwork free-agent signings for Cleveland.