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

Visual observers and astrophotographers alike can find something amazing to observe along the plane of our galaxy.

So how well do you know the Milky Way? Let's test your knowledge of our galaxy's size, age, speed and more with the 15 questions below. Remember to log in to put your name on the leaderboard and ...

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

Explore the breathtaking beauty of the Milky Way through stunning images captured by NASA's Hubble Space Telescope, revealing ...

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...

Scientists detect record-breaking energy neutrino from beyond Milky Way, offering insight into universe's cataclysmic events.

The Bullseye galaxy is two and a half times the size of our Milky Way and has nine rings. Fifty million years ago, two galaxies met up in space. One was tiny, the other large. The small galaxy ...

Astronomers have found a huge cosmic structure called Quipu. It spans 1.3 billion light-years, making it 13,000 times bigger ...

"It's easy to romanticize Hubble and his discovery of the universe beyond the Milky Way galaxy, but his work really stood on the shoulders of a number of people," said Jeff Rich, an astronomer at ...