We say this word multiple times a day, but what does it really mean? Two linguists took the time to explain the fascinating origin of o'clock. Read on to learn what the o in o’clock stands for and how ...

Astonished people are finally learning the actual meaning of a phrase they say nearly every hour — and it’s “o’clock.” A woman who goes by @jenny_nuel1 on Threads asked her followers if anyone knows ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The experts who maintain the ominous Doomsday Clock said Tuesday that humanity is still as close as ever to global catastrophe, which could involve nuclear war, climate change, or maybe even ...

Sign up for CNN’s Life, But Greener newsletter. Our limited newsletter series guides you on how to minimize your personal role in the climate crisis — and reduce ...

The scientists predicting the probability of a worldwide catastrophe have announced the Doomsday Clock has moved from 90 seconds-to-midnight to 89 seconds. The change means the clock is the closest it ...