Scientists have discovered an extraordinarily massive black hole weighing an astounding 36 billion solar masses, challenging ...

The moshing galaxies of Arp 105 dazzle in the Space Image of the Day Monday (March 10), which comes courtesy of Hubble.

What Happens When Galaxies Collide? In about four billion years from now, the Milky Way and Andromeda galaxies will crash together Visualization: NASA, ESA, and F. Summers, STScI Simulation credit ...

A supermassive black hole that doesn't appear to be where we would expect seems to be travelling at more than a thousand ...

Hubble's study reveals Andromeda experienced major galactic collisions, unlike Milky Way. Its satellite galaxies show unusual ...

Researchers, doctors, their patients and supporters are venturing out of labs, hospitals and offices across the country to stand up to what they call an attack on life-saving science by the Trump admi ...

An unusual elliptical galaxy with a history of absorbing smaller galaxies appears to be approaching its next target.

Andromeda's collision — and its more massive scale — could explain the galaxy's exotic and diverse satellite system. The study has only deepened the team's speculation that dwarf galaxies aren ...

"It was actually a total surprise to find the satellites in that configuration and we still don’t fully understand why they ...

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

The galaxies are not randomly distributed ... where atomic particles are sent on a collision course to see what happens. But the universe can do that kind of thing better.

NASA's Hubble Space Telescope has uncovered 36 new dwarf galaxies around Andromeda and ongoing star formation within them, ...