A team of scientists digging up some of the Earth’s oldest rocks has uncovered new chemical evidence that Earth’s first animals were likely ancestors of the modern sea sponge. The discovery relies on ...

Very few species on Earth today are considered “living fossils”–species that have survived over hundreds of millions of years, remaining more or less unchanged compared to their distant ancestors.

Nature isn’t as quiet as it seems on a peaceful hike or during a soothing nature documentary. In the wild, animals compete in their thunderous Olympics, and the volume can get seriously extreme. But ...