Physicists are quietly rewriting one of the most basic units in science, using a new generation of optical clocks that can ...

Summary: Time doesn’t flow uniformly across the solar system, and new research reveals just how differently it unfolds on Mars compared with Earth. By tracing subtle gravitational and orbital ...

When you ask Meta AI news-related questions, you’ll now receive information and links from more diverse content sources.

SpaceX will provide a livestream of the upcoming launch of its Falcon 9 rocket on a mission to deploy Starlink satellites from California.

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system, ...

If you’ve got an old black and white TV, it’s probably not useful for much. There are precious few analog broadcasters left ...

It’s always sad to get to the end of a season of our favorite shows. Real Time with Bill Maher has just done that, airing its 23rd season finale on Friday, Nov. 21. This often leads to question marks ...