When Pat Fitch started working on artificial intelligence in the 1990s, he concluded it was a waste of time. It now takes up a big chunk of his day. About two years ago, Fitch, the deputy director of ...

He worked to develop an atomic clock that is essential to global positioning systems and helped confirm a rare state of ...

Armed with the world's largest digital camera, the Vera C. Rubin Observatory in Chile will take night-sky images that ...

Last month, a consortium of 69 scientists from across Europe and Japan completed the largest and most coordinated comparison ...

The world spins faster for 3 days straight in July and August, prompting experts to monitor Earth's changing rotation.

On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth ...

Atomic clocks and our computer networks are the new, far superior form of time measurement, but we’re forcing them to keep in sync with this older form of measurement,” remarks Dr. David Gozzard, an ...

The science behind why the Earth will spin just a little bit faster on July 9, July 22, and August 5, this year.

On this week’s “More To The Story,” Daniel Holz from the Bulletin of the Atomic Scientists discusses why the hands of the ...

Global positioning systems that support mapping programs are a prime example of how basic science can lead to unforeseen but ...

While that tiny time difference is imperceptible to humans, it represents part of a broader pattern that has left scientists ...

Optical quantum clocks developed at the University of Adelaide have been proven to outperform GPS navigation systems by many ...