If you've ever been taught about how Earth orbits around the sun, you might well think our planet travels along an oval-shaped path that brings it much closer to the sun at some times of the year than ...

When large masses of water are moved from one place to another, this changes the shape of Earth and leads to a phenomenon called true polar wander In an ideal model of our planet, the axis around ...

From a world shaped like a giant donut to a planet with the sharp edges of a perfect cube, changing the shape of Earth would dramatically alter how we live, move, breathe, and survive. While most of ...

Earth, in most renderings, is a smooth sphere with a glossy complexion—a blue marble, as pictures snapped from space have shown us. Earth scientists know that’s not exactly true. Earth, in fact, is an ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientists who just ...