In a first, researchers from the U.S. and Germany excite Thorium-229 in opaque material, advancing optical nuclear clocks.

For decades, atomic clocks have provided the most stable means of timekeeping. They measure time by oscillating in step with ...

Nuclear clocks are a technology researchers have been working toward for decades. New research in theoretical physics brings them closer to reality.

In 2008, a team of UCLA-led scientists proposed a scheme to use a laser to excite the nucleus of thorium atoms to realize extremely accurate, portable clocks. Last year, they realized this ...

Coach Dan Lanning and the No. 5-seed Ducks defeated the Dukes 51-34 at home behind quarterback Dante Moore's five-touchdown ...

Being on the surface of a sizable planet moving at high speed through space, spinning around a yellow star and on its axis, ...

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 ...

The NFC North will be closer to a decision after the two rivals meet on Saturday night. How to watch, highlights and more ...

The Maryland Terrapins and Virginia Cavaliers tangle in a Saturday 6 p.m. ET game at John Paul Jones Arena in Charlottesville ...

A research team at VTT MIKES has set a new record in optical-clock absolute frequency measurements using a strontium single-ion clock with exceptionally low uncertainty and high uptime.

The NC State Wolfpack earned a 31-7 win over the Memphis Tigers in the Gasparilla Bowl in Tampa, Florida. Here are the ...