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

Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

The filament is a part of the vast cosmic web composed primarily of dark matter and interspersed with lighter layers of ...

What happens when a galaxy runs out of fuel for new stars? Hubble’s images of lenticular galaxies show us galaxies caught in the act of transformation — and it’s both stunning and sobering. These are ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

The Universe should not exist. At least, not according to simple physics. After the Big Bang, equal parts matter and ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

A Jet Blue flight heading from Cancun in Mexico to Newark in New Jersey experienced a sudden incident after the Airbus A320 ...

Bleez isn’t just another cosmic anti-hero circling the fringes of DC Comics. She’s a blazing symbol of how fury can forge ...