A James Webb Space Telescope study is setting the record straight on the ages of some known ancient galaxies, which have ...

This image from the NASA/ESA/CSA James Webb Space Telescope revisits one of the most iconic regions of the sky, the Hubble ...

"These are the first JWST observations of tidal disruption events, and they look nothing like what we’ve ever seen before." ...

An infinity symbol–shaped galaxy hosts an active supermassive black hole. The growing giant may have come from the aftermath of a galactic smashup.

Curiosity got the better of the Milky Way—it just had to know what would happen if it collided with Andromeda. So it took a ...

A team of scientists has proposed a groundbreaking new theory on the Universe's origins, offering a fresh, radical take on ...

Throughout cosmic evolution, although dwarf galaxies are individually small, they are numerous and serve as the fundamental ...

In fact, only three factors can be used to define a black hole: its mass, its angular momentum and its electric charge. In ...

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic time to 1 billion years after the Big Bang.

Our Milky Way could have many more satellite galaxies than we've detected so far. They're just too faint to be seen.

Small, compact galaxies seen in the early universe have puzzled astronomers – finding these unusual objects closer to home ...

There could be many more satellite galaxies orbiting the Milky Way than previously thought or observed, according to astronomers.