Astronomers have witnessed the earliest gathering of galaxies ever seen, taking place about 12.8 billion years ago. The ...

Some galaxies in the early universe were absolute powerhouses, churning out stars at rates that would dwarf the Milky Way's ...

Dark matter is a mysterious substance that glues galaxies together. This map from the James Webb Space Telescope could help ...

The solution to a persistent astronomical question that has puzzled scientists for half a century has emerged not from direct observation, but from the computing power of sophisticated computer ...

Dating to only a billion years after the big bang, JADES-ID1 may be the earliest, most distant galaxy protocluster astronomers have ever seen ...

This idea is called the big bang model—which is an unfortunate name because it brings to mind a cosmos expanding like an ...

JWST observations show that early galaxies were chaotic, gas-filled systems rather than stable disks. Researchers from Cambridge studied over 250 galaxies and found most were turbulent, still forming ...

Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff." ...

Scientists have created the highest resolution map of the dark matter that threads through the universe—showing its influence ...

WASHINGTON, Jan 30 (Reuters) - Observations by NASA's James Webb Space Telescope and Chandra X-ray Observatory are providing ...

The first images from a new telescope in Chile were released this week, featuring extraordinarily detailed scenes from deep space. And more are expected to follow the debut series from the ...