A CSAC is an essential reference for these systems, supplying the necessary precise and stable timing where conventional atomic clocks are too large or power-hungry and where other satellite-based ...

The Bulletin of the Atomic Scientists has reset the iconic Doomsday Clock to 89 seconds to midnight. For the second consecutive year, it is the closest the world has ever been to global catastrophe.

NIST's breakthrough Rydberg thermometer achieves remarkable temperature measurement accuracy, leveraging quantum mechanics for diverse scientific applications.

Graham Tebbs might just have retired, but the gleam of excitement is still in his eyes as he looks up at the Yarm Town Hall clock.

NASA astronaut Matthew Dominick shared this amazing time-lapse captured from the International Space Station. Credit: Space.com | footage courtesy: NASA / Matthew Dominick | edited by Steve Spaleta Mu ...

NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year.

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President Trump said Thursday morning he had been “fully briefed” on the deadly midair collision between a regional jet and ...