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

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." ...

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

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

A team of Harvard astrophysicists discovered a supermassive black hole at the center of the Large Magellanic Cloud, the Milky ...

A new study of super-fast-moving stars suggests that they were accelerated by a monster black hole that's been lurking unseen ...

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

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

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

Recently, over 20 passionate photographers from YL Camera and Sony set off on a three-day, two-night Milky Way photography ...

NASA’s newest space telescope rocketed into orbit Tuesday to map the entire sky like never before — a sweeping look at ...