We have an extremely incomplete picture of what these snowball periods looked like, and Antarctic terrain provides different models for what an icehouse continent might look like. But now ...

Now there are around 50,000 spider species but what did the first spiders look like, and how long ago were they crawling and climbing on planet Earth? It is thought that the first ever spiders ...

In this entry, Essie, age 11, of Michigan asks: "If humans went extinct, what would the Earth look like one year later?" Have you ever wondered what the world would be like if everyone suddenly ...

Studying Venus could give scientists insights of what a world looks like when there are no carbon sinks left. But it also happens to be the closest 'Earth-like' planet that researchers know of.

I was just thinking that I thought the reason snowball Earth happened was plants sequestered ... amount of time it takes to subduct soft rock like limestone. However, the concentration of ...