Earth’s rotation is slowing, lengthening days by milliseconds due to the Moon and climate change. A 25-hour day is millions of years away. Learn more.

You've Probably Never Seen These Rare Vintage Photos of Lucille Ball ...

Aren’t the summer days supposed to be longer and the winter days shorter? Since when have things gone in reverse for the summertime? Since now, maybe? Starting today? Okay, here’s what’s going on.

Earth's days are slowly getting longer. This change is driven by the Moon's gravity and shifts in Earth's mass due to melting ...

Earth takes 24 hours to complete a full rotation in a standard day, equal to exactly 86,400 seconds. July 9 was the first of three days in which a millisecond or more could be shaved off the clock on ...

A new study offers compelling evidence that Earth's inner core reversed direction and is slowing down.