Astronomers propose that an ultra-dense clump of exotic dark matter could be masquerading as the powerful object thought to anchor our galaxy, explaining both the blistering speeds of stars near the ...

At the center of our galaxy, something incredibly heavy is pulling the strings. Stars ...

On a clear night, the Milky Way and the Andromeda galaxy look like close neighbors. In space, they really are. Andromeda is ...

Most of the universe is slipping away from the Milky Way, carried outward as space itself expands. Yet one giant neighbor is bucking the trend, racing straight at us while almost every other major ...

Andromeda is also a flattened spiral like the Milky Way, but it's twice as large — 220,000 light-years across versus 105,000 for the Milky Way — and crammed with a trillion suns. Can you even begin to ...

A black hole at the centre of a galaxy 665 million light years away is continuing to emit a jet of matter six years after ...

A group of US astronomers may have uncovered the first evidence for a dark matter sub-halo lurking just beyond our stellar ...

Lurking in the southwestern corner of Aquarius the Water-bearer, globular cluster M72 doesn't stand out. At magnitude 9.4, it ...

York was the first researcher to find an isotope of hydrogen known as deuterium, which helped give researchers an ...

A new theory challenges the existence of Sagittarius A* as a traditional supermassive black hole at the Milky Way's core, ...

For decades, astronomers have been watching WOH G64, an enormous heavyweight star in the Large Magellanic Cloud, a galaxy ...

Psst — Amazon has a whole section of “Hot New Releases” for up-and-coming products that reviewers are already starting to ...