The hunt for potentially habitable rocky planets in our galaxy has been the holy grail of exoplanet studies for decades.

Scientists at Durham University in England have identified signs that up to 100 extremely faint galaxies may be orbiting the ...

The Andromeda Galaxy, also known as M31, is more than just a faint smudge in the night sky; it’s a colossal spiral galaxy, similar in size and structure to our Milky Way, and the closest galactic ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

"One day soon we may be able to see these 'missing' galaxies, which would be hugely exciting and could tell us more about how the universe came to be as we see it today." ...

They often twirl around heavier ones, like our Milky Way, as satellite dancers. The dark matter distribution of a Milky Way ...

Scientists predict up to 100 invisible galaxies may orbit the Milky Way, hiding just beyond our current detection limits.

A cosmic void could be distorting how we see the universe expand. Sound from the Big Bang may hold the clues. According to astronomers, Earth and the entire Milky Way galaxy might be located within a ...

The biggest black hole merger yet observed could confirm a rare class of black holes long thought to be missing from the universe.

There could be many more satellite galaxies orbiting the Milky Way than previously thought or observed, according to ...

For the photographers honored at the 2025 Astronomy Photographer of the Year awards, the universe is their muse. From our ...

Researchers stitched together hundreds of images from the Very Large Telescope to form a breathtaking photo of a nearby ...