The enormous outburst was likely caused by an unfortunate star venturing too close to a supermassive black hole ...

Interstellar comet 3I/ATLAS has changed color for the third time as it peeks out from behind the sun. The biggest, brightest ...

Physicists developed a method to test Einstein’s general relativity precisely where black hole shadow images reveal potential ...

The James Webb Space Telescope's Near-Infrared Camera (NIRCam) reveals a stunning view of star-forming region Sagittarius C ...

Black hole images may test competing gravity theories. A new method uses simulations to check if they follow Einstein or ...

Scientists have spotted the brightest flare yet from a supermassive black hole that shines with the light of 10 trillion suns ...

A giant star that is still being consumed by a supermassive black hole may have caused the largest flare of its kind ever seen, astronomers say.

A peculiar object discovered by the James Webb Space Telescope just 700 million years after the Big Bang could reveal the ...

Scientists have spotted the brightest flare yet from a supermassive black hole that shines with the light of 10 trillion suns.

A cosmic explosion known as GRB 250702B is by far the longest gamma-ray burst astronomers have ever seen—if it’s even one at ...

You might think astronomers have seen it all, but the universe still throws us occasional new mysteries to keep us on our ...

Far from the cities, Afghanistan’s Torghond Canyons open into endless light and shadow — a breathtaking scene frozen in time.