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

A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope ...

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.

A whole universe of hidden galaxies lies just beyond what the eye can see. Thanks to a new generation of space telescopes, ...