Mahmoud Khalil, a Columbia University student who helped lead last year’s pro-Palestinian demonstrations, was detained by the Department of Homeland Security on Saturday. Photo: Jeenah Moon ...

Your circadian rhythm is your body's internal clock, which follows a 24-hour cycle. It plays an important role in dictating your sleep-wake cycle, and it's heavily influenced by cues from the ...

Forbes contributors publish independent expert analyses and insights. Monica Sanders covers climate justice and sustainability from the DMV.

Everyone knows how to set an alarm on the iPhone. However, what if you want to set an alarm for a later date? If you need to set an alarm for a month from now, the Clock app doesn’t offer a way to do ...

Shimadzu Corp, a Kyoto, Japan-based precision equipment maker, has started selling a clock which is accurate to a deviation of one second over ten billion years. The strontium optical lattice ...

Resembling a squat, wide fridge, the world's most accurate clock went on sale for $3.3 million in Japan on Wednesday. The "Aether clock OC 020" is so precise that it would take 10 billion years ...