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

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

“This mass extinction event in the Ordovician, this happened hundreds ... So, it’s the second largest mass extinction event.” So what caused this extinction? According to Cole, there was ...

This was the Ordovician-Silurian extinction ... If you were there, you’d have witnessed the gigantic Sauropod Argentinosaurus, the largest land animal ever. Or you might have been chased by one of ...

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

Cats can come in all shapes and sizes. But what is the biggest cat in the world? Here is what you need to know about the ...

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

Our readers explain the maximum size of a quadrupedal animal and consider the sizes of dinosaurs, blue whales and colonial ...

pterosaurs and other giant reptiles roamed Earth—with many dwarfing the largest terrestrial animals alive today. The scientists estimated the body size of this particular species, which has no ...

As one of the coldest periods in Earth's history, the Hirnantian Icehouse played a crucial role in the second-largest mass extinction in Earth's history, known as the Late Ordovician Mass Extinction, ...