ISTOCK / GETTY IMAGES PLUS The researchers' idea that Earth once had rings comes from reconstructions of Earth's plate tectonics from the Ordovician period—which ran between ... the area of the Earth ...

We’re all familiar with animals that hibernate in the winter, like bears and groundhogs. There’s another class of animals ...

Ancient artifacts can tell the story of humanity and how we evolved technologically, spiritually, and emotionally. However, sometimes archaeologists find ...

About 500 million years ago, Earth experienced what scientists refer to as the “Cambrian explosion”–a period of rapid and ...

The world and its ecosystems have been around for a long time — so long that the first mass extinction occurred “just shy” of ...

They have since attempted to work out what type of pterosaur it was – its taxonomy – and how big the animal was. During the Mesozoic Era, the “age of reptiles” which lasted from 252 to 66 million ...

This time was called the Cambrian Explosion. And the animals that evolved during this period had hard body parts like shells ... Earth saw its first mass extinction event. This was the ...

Let’s start with a clear definition of what constitutes a mass extinction. Unlike regular extinctions, which occur at a steady background rate — about 10% of species lost every million years — mass ...

The world and its ecosystems have been around for a long time — so long that the first mass extinction occurred “just shy” of ...

Scientists have estimated the size of an extinct flying reptile called a pterosaur, based on fragments of a fossil finger ...