If you were to arrive in our solar system never having seen it before, you’d be impressed with variety. Giant gas planets with rings, moons spanning from minuscule to enormous, icy comets that hurtle ...

There are seven continents on Earth, or so we learned in school. But it turns out that these designations are not as straightforward as they seem, and different scientists have different views on how ...

For most people, continents are Earth’s seven main large landmasses. But geoscientists have a different take on this. They look at the type of rock a feature is made of, rather than how much of its ...

The first half-billion years of Earth science were gnarly. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When Earth was just a wee young thing, ...