The number of these circumpolar stars increases as you move toward the North Pole. There are no circumpolar stars at the ...

Find out what’s speeding up Earth’s rotation and why it may force timekeepers to delete a second ...

Today's sea level rise is significant enough to slow the rotation of the planet by just over a millisecond per century.

The revelation that Earth’s rotation is shifting at speeds not seen in 3.6 million years is a wake-up call for both the ...

It’s a reasonable argument (even if unproven), but it feeds directly into a far less reasonable, age-old “What’s the matter ...

Scientists have uncovered the oldest direct evidence yet that Earth’s tectonic plates were on the move 3.5 billion years ago.