Scientists analysing dark energy say the universe’s expansion may be slowing, raising the possibility gravity could ...

Contrary to popular belief, our universe may not be constantly expanding after all. A groundbreaking study by South Korean ...

Cosmic inflation tries to describe one brief but crucial phase in the Big Bang that launched the universe onto its expansion course. Many textbooks and science educators have attempted to describe the ...

NASA's James Webb Space Telescope may have detected the universe's oldest stars, believed to have formed shortly after the ...

Dark matter, the mysterious substance that makes up roughly 80 percent of all the matter in the universe, may have been forged before our cosmos was even born. Scientists have long theorized as to ...

Another batch of the ‘impossible’ galaxies turned out not to be standard galaxies at all, but a new type of object that ...

No one knows what kicked off the Big Bang that eventually allowed the stars to begin forming. Adolf Schaller for STScI, CC BY How can a Big Bang have been the start of the universe, since intense ...

Forget one Big Bang — try many. A bold new theory pokes holes in the popular origin story, suggesting the universe evolves through a series of lightning-fast bursts, rewriting what we know about ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

"This gives us a new way to rule out certain black hole scenarios for dark matter." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. New research ...

"We were surprised that water could actually form so early on — even before the birth of the first galaxies." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...