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

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...

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

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

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 ...

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 ...

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

For this reason black holes are invisible to the eye, as lightless as the empty, dark space surrounding them. Scientists know they exist not because they can see an actual hole, b ...

Called SPHEREx, and set for launch on a SpaceX Falcon 9 rocket from Vandenberg Space Force Base no sooner than Tuesday night, ...

In 2007, astronomers discovered the Cosmic Horseshoe, a gravitationally lensed system of galaxies about 5.5 billion light-years away. The foreground galaxy's mass magnifies and distorts the image ...