Most of the atomic clocks in the world - fewer than 500 in total - are housed at standards institutes and used to keep time ...

Find out how to keep time online accurately using World Clock, Time.now, Google Clock, and more. Learn how web-based time ...

"It's quite a violent process in setting off from planet Earth towards space," Christoph Grainger-Herr, chief executive of ...

Your head is actually aging faster than the rest of you. Before you freak out, though, know that it’s only by nanoseconds—90 ...

Donald Trump has instructed the Pentagon to resume nuclear weapons testing immediately. This has shone a spotlight on the ...

Listen, that whole chaotic mood swing—last week, or the one before, who even knows—was extreme. A tight Friday wrap that pulled a cosmic all-nighter, spilling ...

A team from the Faculty of Physics and the Centre for Quantum Optical Technologies at the University of Warsaw has developed a new type of all-optical ...

Because of other countries testing programs, I have instructed the Department of War to start testing our Nuclear Weapons on ...

A new quantum measurement technique reshapes uncertainty, allowing precision once thought impossible under Heisenberg’s principle.

The kitchenware area presents a carnival of color and functionality, with Pyrex bowls in discontinued patterns stacked alongside aluminum containers labeled “Flour,” “Sugar,” and “Coffee” in cheerful ...

Delicate lace collars and handkerchiefs speak to an era of refined manners, while bold polyester shirts from the 1970s practically shout across the room. Wedding dresses with impossibly tiny waists ...

MIT researchers double the accuracy of optical atomic clocks by reducing quantum noise with an innovative laser technique.