The machine, called a cesium fountain clock, was in the middle of a two-week measurement run at a National Institute of Standards and Technology (NIST) research facility in Boulder, Colo., ...

But nothing really says spring like the day we spring the clocks forward for the start of daylight saving time 2025. Under the current daylight saving period, most Americans will lose an hour on ...

At first glance, you would be forgiven for thinking that the work of contemporary Indonesian artist Citra Sasmita was made hundreds of years ago. From afar, her embroideries and paintings could ...

Choose from Scroll Page Border Pics stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

Choose from Decorative Scroll stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection Essentials ...

Hear how we covered some of the biggest news stories since 1931.