Modern navigation systems rely heavily on satellite timing, and that dependence has become a growing vulnerability. GPS ...

Banner image: A powerful laser shines into a jet of gas, creating a bright plasma and generating ultraviolet light—one component of what could become a fully functioning nuclear clock. (Credit: ...

Space, military, and aerospace applications represent 41.0% of total demand, underscoring the market’s strategic orientation.

The timekeeping device is made with atomic nuclei of thorium, although it is not yet more precise than standard atomic clocks. Reading time 2 minutes Meet the “nuclear” clock: a device that marks the ...

WASHINGTON — Researchers have demonstrated a new optical atomic clock that uses a single laser and doesn’t require cryogenic temperatures. By greatly reducing the size and complexity of atomic clocks ...

Originally discovered in a mineral found off the Norwegian coast in 1828, thorium is named after Thor, the Norse god of thunder. It would take another century and a half for scientists to determine ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Picture a clock ...

US official time slowed down by a few microseconds last week due to power outage, watchdog says - Atomic clocks went out of sync after a severe windstorm knocked out power at a Denver laboratory and a ...