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 ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

Watch the mesmerizing Tarantula Nebula video captured by the Hubble telescope, showcasing the most productive star-forming ...

To celebrate the 100-year Edwin Hubble discovery that Andromeda was a galaxy outside our own, astronomers release the most ...

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

A recent NASA report suggests that countless tiny particles could be coming together to create an invisible, foam-like dark matter right in the middle of our ...

Giant radio galaxies are cosmic megastructures that can span millions of light-years, making them some of the largest-known ...

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

Giant deep space alien spiral galaxy concept. Loop of high angle revolving galactic stellar milky way supercluster created without third-party elements depicting celestial eternity of the universe.