If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

A team of astronomers using a Yale supercomputer have determined for the first time that galaxies in denser environments are as much as 25% larger than their counterparts in less dense regions of the ...

As elementary schoolers, we learned the order of the planets. Maybe your teacher even had a snappy mnemonic like “My Very Educated Mother Just Served Us Nine Pizzas” or “My Very Educated Mother Just ...

Space questions everything about what we know about existence and consists of gigantic stars, icy comets and distant worlds ...

While there is still much scientists don't know about the universe, it's rare, at this point, to find something truly odd. Most astronomical phenomena, like asteroids, planets and black holes, are ...

The filament of matter stretches 50 million light-years, and contains a row of galaxies 5.5 million light-years long that are ...

The night sky may look deceptively still, but the universe is constantly expanding, which means everything keeps trekking through the void. Now, a new map of the distances of tens of thousands of ...

For centuries, no one knew if we were alone in the universe—or if there were even other planets like ours. But thanks to new telescopes and methods in the past decades, we now know there are thousands ...

A dramatic life-and-death game of planetary survival is taking place inside a gigantic cloud of gas and dust 1,500 light-years from Earth, and the outcome could have far-reaching implications for the ...

(CNN) — When NASA’s next-generation space observatory launches in a few years, the Nancy Grace Roman Space Telescope will expand the search for exoplanets as well as rogue planets, or worlds that ...