Galaxies are among the most breathtaking structures in the universe, ranging from elegant spirals to massive elliptical ...

Galaxies are astronomical objects composed of billions or even trillions of stars. Our Earth and solar system are just a tiny ...

One photographer put the age of starlight into perspective with stunning projections on some of Earth's oldest rock ...

Scientists using the Hubble Space Telescope have spotted a record-smashing galaxy wrapped in 9 rings of stars — along with ...

From decades of astronomical observations, scientists know that most galaxies contain massive black holes at their centers.

"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied." ...

Matter in intergalactic space is not randomly scattered - it forms a vast network of filamentary structures that make up the ...

Rare ultra-faint dwarf galaxies beyond the influence of other galaxies show evidence that star formation was stifled long ago ...

Supermassive black holes are seen as sources of wanton cosmic destruction, but there may be more to their powerful influence ...

The Bullseye galaxy earned its nickname thanks to its wild number of rings. A smaller galaxy shot through its heart 50 ...

We’re talking unopened packs of trading cards, all kinds of toys, a script from the first movie in 1977 autographed by Darth ...

Astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe. With these observations, astronomers have ...