A cacophony of barking alerts me to the cardboard box delivered to my front door. Packed inside is a single sheet of white corrugated plastic folded into what looks like a large suitcase. My canine ...

For nearly two centuries, paleontologists have wondered what saber-toothed cats really looked like. Despite models in museums, dramatic paleoart, and even a starring spot in the Ice Age movies, the ...

As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, sell user ...

Exactly when our story began is still up for debate, but consensus agrees that humans first appeared in Africa some 2.3 million years ago with the evolution of Homo habilis from a species of ...