Add Yahoo as a preferred source to see more of our stories on Google. Our solar system is mostly arranged along one plane in space, as in this not-to-scale artist's diagram. NASA/JPL, CC BY If you’ve ...

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 ...

"The current rapid rise in day length can thus be attributed primarily to human influences," said professor Benedikt Soja.

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 ...

Global warming caused by climate change is shifting how quickly the Earth's rotation is speeding up and affecting the time we keep, according to a study published Wednesday. Research by University of ...

(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 ...