The new research suggests an alternative origin. Dark matter could have instead been born extremely hot, opening up ...

Everything humanity has ever touched, measured, or imagined as “normal” matter is a tiny sliver of reality. Less than 5 percent of the known cosmos is made of the atoms that build stars, smartphones, ...

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of ...

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a misunderstanding of work by physicists Albert Einstein and Nathan Rosen.

"If these results are confirmed, it would mark a major paradigm shift in cosmology since the discovery of dark energy 27 years ago." When you purchase through links on our site, we may earn an ...

Add Yahoo as a preferred source to see more of our stories on Google. In space, there are four dimensions: length, width, height and time. scaliger/iStock/NASA via Getty Images Plus About a century ...

The Atacama Cosmology Telescope (ACT) in Chile has released its final batch of data after 15 years — and it proves that the Hubble tension, a rift in our understanding of the universe, is very real.

Time is a straightforward concept - or is it? The passing of minutes and years isn't as easy to explain as many assume.

However, not everybody agrees with this widely accepted scientific consensus. In a controversial new paper, published in the journal Monthly Notices of the Royal Astronomical Society, a team led by ...

Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook The new Ultimate Universe has a year on the Absolute Universe, but I don’t think that has hurt the ...