The existence of massive, elliptical galaxies in the early universe has puzzled astronomers for two decades. An international ...

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

The standard cosmological model (present-day version of "Big Bang," called Lambda-CDM) gives an age of the universe close to 13.8 billion years and much younger when we explore the universe at ...

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

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." ...

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

Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter. ESO/M. Kornmesser, CC BY-SA Chris Impey, University of Arizona If you look across ...

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

Neutrino particles have extremely small masses, yet there are so many of them that they carve out the large-scale structure ...

When you look up at the night sky, it seems deep black with bright stars scattered across it. That familiar view leads many ...