The story of wildlife is often told as a tragedy of shrinking forests and disappearing habitats. We hear about species ...

That’s only one problem. Your immune system also has an adaptive system of specialized immune cells and antibodies that attack and destroy invading microbes. This system remembers what those intruders ...

The natural world has produced some of the most potent poisons known to science. Here are some of the deadliest to humans ...

That’s what you’ll find at Rifle Falls State Park, a slice of paradise tucked away in western Colorado that makes visitors ...

Long before humans became master hunters, our ancestors were already thriving by making the most of what nature left behind. New research suggests that scavenging animal carcasses wasn’t a desperate ...

A fossil discovery in northern Ethiopia expands the known range of Paranthropus, a genus of strong-jawed hominins that lived ...

Deep cave layers on Sulawesi preserve tools, bones, and art that may show modern humans overlapping with earlier hominins.

On a talus-strewn slope in eastern California’s mountains, a gnarled tree twists toward the sky. It is Methuselah, a Great ...