Cosmologist Katie Mack breaks down what the latest findings about dark energy mean for our universe’s future. Either way, it ...

Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

The Milky Way, our home galaxy, is part of a different supercluster called Laniakea, which, at 500 million light-years wide, ...

Astronomers have just revealed that the largest known structure in the universe, theHercules–Corona Borealis Great Wall, ...

The halo is more extended that astronomers originally thought, and contains enough hydrogen gas to resolve the problem of the ...

Zhúlóng is the most distant spiral galaxy ever seen. It formed 1 billion years after Big Bang, yet has a calm structure like ...

Could the universe be rotating at an imperceptible speed? An extremely slow rotation, occurring once every 500 billion years, ...

"We've always known that we need something to complete the puzzle, but we haven't really known what shape or form those ...

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...

Compared with the all-too-brief lifespan of 100 or so years for humans — and even less for most plants and animals — the age of the known universe is mindbogglingly long. Currently estimated to be ...

For decades, astronomers have known something didn’t add up in our universe. The amount of “normal” matter—stars, gas, and ...

On the outskirts of the Milky Way, one of the rarest kinds of stars in the galaxy has just become even more mysterious than ...