Earth’s gravity has a lot to do with what people think is up and what is down. Things fall down toward the ground, but that ...

(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 ...

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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 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 ...

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 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 ...