If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black hole.

Below the waves of the Mediterranean, Europe's KM3NeT neutrino telescope is on a cosmic hunt. Towering strings of sensors ...

The James Webb Space Telescope has looked back into deep time to find “rubies” or “little red dots” stretched across the ...

A new project is collecting thousands of messages destined for the cosmos, coinciding with the anniversary of a landmark ...

Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

Searching for clues in the Epoch of Reionization, scientists discovered that the universe was quite a bit warmer before the ...

The Mauve telescope, developed by London-headquartered start-up Blue Skies Space, is the size of a small suitcase and carries ...

Space has a way of making scientists throw out their textbooks. Just when astronomers think they understand how the universe ...

The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

A new imaging system could help us see deeper into the universe than ever before. The same powerful technology could also ...

The Ultimate Universe gets even more different from mainline Marvel with a space-faring Daredevil.

JWST observations show that early galaxies were chaotic, gas-filled systems rather than stable disks. Researchers from ...