The young galaxy cluster existed about 12.8 billion years ago and has an estimated mass 20 trillion times that of the sun ...

When you gaze up at the night sky, it’s easy to feel as though you're looking into an endless, empty canvas sprinkled with ...

"JADES-ID1 is giving us new evidence that the universe was in a huge hurry to grow up." ...

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

Astronomers have released the most ambitious cosmic map assembled so far, confirming that matter in the Universe is less ...

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

Galaxy merger is a crucial process in galactic evolution that has happened since the first galaxies came into being. Now JWST ...

Scientists are now certain that James Webb will break every such record until the earliest observable light is eventually ...

"There is a growing chasm between theory and observation related to the early universe, which presents compelling questions ...

Dark matter doesn't absorb or give off light so scientists can't study it directly. But they can observe how its gravity ...

Astronomers have confirmed the earliest barred spiral galaxy in the universe, a Milky-Way-like structure that existed just 2 billion years after the Big Bang.

A flat plane of dark matter beyond the Local Group may explain why nearby galaxies move away from us instead of falling ...