The Earth is round, and we know this from detailed measurements and geometric inferencing based off satellites with lasers. Earth is often described as a circle or an oval, but it is neither. As the ...

We all know the Earth is round. Not perfectly so but close enough. We live on an oblate spheroid, a slightly squashed sphere that's wider at the equator than around the poles. The difference between ...

It's all about perspective: The higher you go, the more you can see the curve. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The answer is all ...

Humans knew the Earth was round before the availability of satellite imagery, despite some online questioning how Hollywood could have depicted Earth as spherical before satellites existed. An image ...

The only way to see the curve of the Earth is to fly more than 6 miles (10 kilometers) above its surface. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

We now know the Earth consists of four major layers: the crust, the mantle, the liquid outer core, and a solid inner core — often called the “seed.” Current research focuses on understanding these ...

Scientists are beginning to read Earth in a different way, not from orbit, but from the surface of the moon. A recent study,“Spherical Harmonic Finger.

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Kelly R. MacGregor receives funding from the National Science Foundation, the Keck Geology Consortium and the Minnesota Environment and Natural Resources Trust Fund (ENRTF). The answer is all about ...