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

As the polar ice caps melt, the Earth actually slows down, California scientists say. Less ice at the Earth's poles and more water weight spread around to other places are leading to the planet ...

(CNN) — Deep inside Earth is a solid metal ball that rotates independently of our spinning planet, like a top whirling around inside a bigger top, shrouded in mystery. This inner core has intrigued ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...

The Earth is always rotating. Despite some hair-brained theories that the Earth is flat, all you need to see evidence of the Earth's rotation and its roundness is to set up a camera and record the ...

We live on a spinning planet. Depending on latitude your individual speed varies from 0 mph at the poles to 1,040 mph (1,674 kph) at the equator. Here at 47 degrees north I'm madly spinning eastward ...