Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a ...

Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a slightly oblate spheroid, or an ellipsoid. This means it is a little bit wider ...

We’ve all seen beautiful images of the Earth from space, some photographed by astronauts and others collected remotely by orbiting satellites. So why doesn’t our planet look round when we’re ...

Paul Comstock/Flickr, CC BY Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a slightly oblate spheroid, or an ellipsoid. This ...

It’s hard to believe, but it’s already been more than 2000 years since humanity first not only discovered that planet Earth is round in shape, but was able to measure its size as well. Not only are ...

A new airless tire, inspired by water droplets, has been developed in South Korea and could revolutionize how vehicles handle ...

Even from space, you wouldn't notice something important about the Earth's shape: it's not perfectly round. It is actually a slightly elongated sphere, or an ellipsoid. This means that it is slightly ...

Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a slightly oblate spheroid, or an ellipsoid. This means it is a little ...

Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a slightly oblate spheroid or an ellipsoid. This means it is a little bit wider ...

Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a slightly oblate spheroid, or an ellipsoid. This means it is a little bit wider ...