The Atacama Cosmology Telescope in Chile has released its final batch of data after 15 years — and it proves that the Hubble ...

In the first fractions of a second after the Big Bang, the universe ballooned outward at a speed that still defies explanation, stretching space itself before stars or even atoms had a chance to form.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When the universe first began about 13 billion years ago, all of the ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been produced by the explosion of a massive star just 730 million years after the Big ...

For decades, astronomers have been trying to nail down the value of the Hubble constant—a measure of how fast the universe is expanding. But some cosmologists say there’s evidence that the universe is ...

A stronomers using the JWST have traced the source of a long-duration gamma-ray burst back to a supernova that exploded ...

The universe’s expansion might not be accelerating but slowing down, a new study suggests. If confirmed, the finding would upend decades of established astronomical assumptions and rewrite our ...

The idea of a mirror universe is a common trope in science fiction. A world is similar to ours where we might find our evil doppelganger or a version of us who actually asked out our high school crush ...

PBS viewers have a chance to go on a brilliant journey through the universe as the network launches a new, five-part NOVA series titled "NOVA Universe Revealed." Premiering Oct. 27 at at 9 p.m. EDT ...

Black holes, born from dying stars, are cosmic giants that grow by consuming matter and merging with others. While invisible ...

The ultimate stability of the vacuum of our universe may rest on the masses of two fundamental particles, the Higgs boson — that inhabits all space and time — and the top quark. The latest ...