Hundreds of millions of years ago, the first plants began spreading across Earth’s land. This major turning point helped ...

Ancient sea organisms survived until a sudden extinction 550 million years ago, revealing what may be the first major mass ...

5 mass extinctions wiped out 65–96% of species on Earth, with major events including the Ordovician, Devonian, Permian, Triassic, and Cretaceous periods. New developments in the search for Nancy ...

Scientists have unearthed in southern China fossils of a multitude of marine creatures dating to more than a half billion years ago, showing a deep-water ecosystem thriving in the aftermath of the ...