The length of a day is not immutable. Factors ranging from the gravitational pull of the Moon to complex movements within the planet constantly modify the time it takes for Earth to complete one ...

Planet Earth is spinning a little faster today — resulting in one of the shortest days of the year. But the change will be so minuscule you won’t even notice. We’re talking even less time than the ...

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.

But new research suggests a new player is making an impact: us. By studying foraminifera, tiny single-celled marine organisms that leave behind fossil shells, a team of researchers from the University ...