The loudest crash of gravitational waves ever heard provides an intriguing way of studying event horizons, the boundaries at ...

There is no sound in space, but black holes can still sing. When two black holes collide, their song ripples through the very ...

A NASA visualization of a black hole. (NASA's Goddard Space Flight Center/Jeremy Schnittman) Everyone knows that no ...

When the world saw the first-ever image of a black hole in 2019, it marked one of the greatest achievements in modern ...

Black holes are some of the most mysterious objects in the universe, but they aren't always silent. When two black holes are close enough to each other, they spiral toward one another, eventually ...

Astronomers have uncovered new details about the black hole that ripped apart a star in a tidal disruption event named ...

A powerful black hole collision has opened a new chapter in space science. Scientists used the loudest gravitational wave ...

Black holes do their most important work in hiding. The boundary that defines them, the event horizon, seals off anything that crosses it from the rest of the universe.

Nearly every massive galaxy observed hosts a supermassive black hole at its center. NASA’s James Webb Space Telescope has discovered that some of these superm ...

Modified gravity theories extend Einstein’s general relativity by introducing additional degrees of freedom or higher-order curvature terms, with the dual aim of accounting for dark energy, dark ...

Any amount of mass can be turned into a black hole if you cram it into a small enough space, but you would need an extremely ...

Astronomers may be closing in on a long-standing cosmic mystery: why some of the universe’s biggest galaxies seem to have far ...