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

Quipu, Hercules, Serpens–Corona Borealis and Sculptor–Pegasus are all larger than the fifth and final superstructure ...

The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...

The Milky Way can be seen as something of a bully, having devoured many smaller galaxies to achieve its vast mass, and ...

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

Astronomers may have found a star racing through our galaxy at an incredible speed—dragging a planet along with it! If ...

This artist's concept visualizes stars near the center of our Milky Way galaxy. Each has a colorful trail indicating its speed –– the longer and redder the trail, the faster the star is moving. NASA ...

A European Space Agency telescope has discovered its first "extremely rare" Einstein ring in a galaxy "not too far away" ...

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

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

The Enigmatic Giants of the Universe Black holes, those mysterious entities lurking in the vastness of space, have always captivated the imagination of astronomers and poets alike. Their very ...

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...