Possibly one of the best-known constellations in the northern sky, Ursa Major—or the Great Bear—contains an asterism of seven ...

The Hubble Space Telescope’s latest stunning images have allowed scientists to solve the mystery of the Bullseye Galaxy’s ...

The strange behavior of hypervelocity stars suggests a nearby dwarf galaxy must contain a supermassive black hole. If so, a ...

NASA frequently shares cosmic images, revealing intriguing details about star-forming regions, black holes, galaxies and ...

Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

The European Southern Observatory (ESO) has released a stunning 80 million-pixel image of the star cluster RCW 38, as captured by ESO's Visible and Infrared Survey Telescope for Astronomy (VISTA), ...

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

Centaurus A: NGC 5128 is a galaxy in constellation Centaurus, discovered in 1826 by Scottish astronomer James Dunlop. Messier ...

With a nickname like Big Sky country, it's no surprise Montana is the ultimate destination for this year's celestial events, ...

Located approximately 27,000 light-years (one light year equals approximately nine trillion kilometres) from Earth — relatively close when it comes to galactic black holes — Sag A* has an estimated ...

Set against a backdrop littered with tiny pinpricks of light glint a few, brighter stars, this is NGC 1858, a 10-million-year ...