At the center of our galaxy, hidden behind dense clouds of gas and dust, the black hole Sagittarius A* rotates rapidly, ...

A new study suggests that dark matter could be shaping cosmic chemistry, with a proposed self-annihilating dark matter ...

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

At the center of our galaxy, an enigmatic phenomenon has puzzled scientists. Recent observations suggest that dark matter, ...

When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

"We thought they were basically all going to be fried because the entire universe turned into a vat of boiling oil." ...

BEIJING -- Chinese and foreign astronomers have unveiled the first three-dimensional map of the properties of interstellar ...

A major discovery on the outskirts of Andromeda is shaking up our understanding of galactic evolution. Astronomers have found the dimmest and smallest satellite galaxy yet—Andromeda XXXV—forcing them ...

Dark matter continues to confound us, so far defying every attempt to decipher it. According to a new study, clues may lurk ...

"Black holes are so stealthy that this one has been practically under our noses this whole time." ...

A discovery made by a team led by researchers at the University of Michigan tugs at the seams of some key cosmic lessons we ...

An ambitious new survey by the Hubble Space Telescope offers the first bird's-eye view of all known dwarf galaxies orbiting ...