The Doomsday Clock is a metaphor that represents how close humanity is to self-destruction, due to nuclear weapons and climate change. The clock hands are set by the Bulletin of the Atomic Scientists, ...

A high school student sits on the stairs of Roosevelt High School in Albany Park, checking her cellphone after the first day of the 2023-2024 school year, Aug. 21, 2023. Tyler Pasciak LaRiviere ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

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Military time, also known as the 24-hour clock, is a system the military uses to eliminate confusion between morning and afternoon hours, since the armed forces are in operation around the clock.

In the video -- obtained exclusively by ABC News -- passengers can be seen hanging upside down in the cabin, being held into their seats dangling only by their seatbelts. There were no warning ...

As convenient as it might be to use your phone as an alarm clock, standalone alarm clocks come with all kinds of features that can make waking up — or even going to sleep — a little less painful.

STATEN ISLAND, N.Y. — When Daylight Saving Time arrives next month, we have to set our clocks ahead one hour. But do we, really? Many of the clocks we rely on daily actually do the resetting all ...

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Even if you mean well ― you might be thinking, what’s so wrong with saying “hi!” to someone before getting to the point? ― leaving someone “hey hanging” is generally ill-advised, said Pattie Ehsaei, a ...