About half of the non-dark matter in the universe cannot be accounted for by stars and galaxies alone. Now, scientists say ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

Researchers mapped a far-infrared landscape brimming with nearly 2,000 galaxies. There may be "hidden galaxies" lurking just out of sight.

Astronomers have peered back in time to find what looks like a population of "hidden" galaxies that could hold the key to ...

The Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer (SPHEREx) telescope took its ...

Euclid is on a quest to unravel one of the universe’s greatest mysteries: why it's expanding faster and faster. With help ...

A NASA space telescope on a mission to map millions ... the composition of objects or the distance to galaxies. Researchers will be able to study topics like the universe's physics and the origins ...

Biggest vs smallest - how do we measure up in the grand scheme of the universe? Explore the fascinating scales of existence, from quantum particles to the observable universe’s edge. A journey ...

A space mission designed to create a three-dimensional map of the universe has just released ... where the light forms a circle around the distant object. These powerful lenses are thought to ...

At that point in cosmic history, the universe was shrouded by neutral hydrogen, and most objects and phenomena would not be visible until nearly a billion years later. For now, researchers think ...

Black holes, like the one in this illustration, can spray powerful jets. S. Dagnello (NRAO/AUI/NSF), CC BY-SA ...

“We will observe each deep field between 30 and 52 times over Euclid’s six-year mission, each time improving the resolution of how we see those areas, and the number of objects we manage ... section ...