A newly discovered galaxy is challenging what scientists thought they knew about galactic collisions. Located 567 million ...

For the first time, NASA Chandra X-ray telescope has been used to discover a pair of black holes in dwarf galaxies that are ...

Astronomers trace the striking pattern to an encounter between a big galaxy and a much smaller one some 50 million years ago.

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

Dark matter is a hypothetical form of matter believed to be everywhere, outnumbering regular matter (what we're made of) 5-to ...

The discovery was made by Imad Pasha, a doctoral student at Yale University, who stumbled upon the unique galaxy while examining a ground-based imaging survey. "This ...

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

The research team said these rings likely formed when a smaller galaxy shot through the heart of the Bullseye galaxy roughly ...

G alaxy LEDA 1313424 is a beauty. It is 2.5 times the size of the Milky Way and has something no other galaxy has: A series ...

Ring galaxies – such as the mysterious and famous Hoag's Object – are thought to be the result of a collision in which one galaxy blasts straight through the center of another. The Bullseye Galaxy has ...

After a blue dwarf galaxy shot through it like an arrow, the large Bullseye now has nine rings—six more than any other galaxy ...

Astronomers have discovered a unique collisional ring galaxy, nicknamed the "Bullseye," that features nine rings, the most ...