There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

Keck Observatory reports that spectroscopy from its Keck Cosmic Web Imager, combined with data from NASA’s James Webb and ...

We know that planets rotate, but what about the universe as a whole? No, the universe doesn't appear to rotate; if it did, time travel into the past might be possible. Although people throughout ...

Adjust the colors to reduce glare and give your eyes a break. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS ...

TIME Universe Launches Web3 Ecosystem with Monetization, Networking, and Censorship-resistant Social Media Dubai, United Arab Emirates, November 19, 2025-- TIME Universe, a Web3 ecosystem focused on ...

Time dilation: It’s a staple of science fiction, and whether you’re familiar with the term or not, you’ve probably encountered it in print or film. Fly fast enough to the speed of light, and your ...

Two Years In #1 hits stores this Wednesday. The Ultimate Guardians recruit across time and space for the Maker's return.

DC's new Absolute Universe has drastically reimagined signature characters, from Batman to Wonder Woman, and these are the ...