Possibly originating with the English poet Geoffrey Chaucer's "time and tide wait for no man," the idea that time waits for no man has been around for a long time. But time, or at least the latest ...

If, like me, you can't go a day without making sure your watch is synced to the second, you'll be delighted to learn that a ...

The 54-pound NWA 16788 has set a new world record as the most valuable meteorite ever sold at auction. The first major ...

Scientists at NIST have developed the world’s most accurate atomic clock using a single aluminum ion, marking a breakthrough in timekeeping.

Harold Lyons was a physicist whose primary interest was in atomic frequency standards and atomic clocks. The collection documents Lyons and his work with atomic clocks.

Jacobson/NIST After two decades of tinkering, scientists at NIST have unveiled the world’s most accurate atomic clock, a ...

Scientists in the U.S. have built the most accurate clock in the world—so precise it can measure time down to 19 decimal ...

For nearly a century, scientists have been trying to find dark matter—the invisible substance that seems to make up about 80% ...