The JWST discovers the Zhúlóng spiral galaxy, as massive as the Milky Way, formed only a billion years after the Big Bang.

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

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.

Twin orbs of superhot plasma at the Milky Way's center known as the "Fermi bubbles" contain inexplicable clouds of cold ...

"The biggest surprise of all was that the black hole was not located inside either of the two nuclei but in the middle. We asked ourselves: How can we make sense of this?" ...

New research suggests that the Milky Way should be surrounded by as many as 100 undetected tiny and faint "orphan" galaxy ...

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 ...