If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

What if all the stars disappeared tomorrow, together with all the planets, solar systems and galaxies? What would be left of ...

Using a powerful combination of space-based measurements and Subaru’s advanced imaging, astronomers have discovered two rare companions, one of which enables a key test for NASA’s Roman Space ...

The James Webb Space Telescope has observed the universe's earliest supernova. This event offers a rare glimpse into the early universe. It shows how ...

"We believe that the universe on very large scales is made of a network-like distribution of galaxies, gas and dark matter," ...

A surprisingly mature spiral galaxy from cosmic dawn is rewriting ideas about how fast the Universe built its first galaxies.

Galaxies appeared not just as distant objects, but as vast systems shaped by gravity, time, and violence. Deep-field images revealed thousands of galaxies in a single patch of sky, each containing ...

Black holes, born from dying stars, are cosmic giants that grow by consuming matter and merging with others. While invisible ...

NASA’s James Webb Telescope discovers the oldest supernova ever seen, offering insights into early universe star formation ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...

Scientists from Japan have revealed a new idea explaining why there is matter in the universe, while antimatter has almost ...