Evolution

When our planet’s magnetosphere nearly disappeared 565 million years ago, it may have almost taken all life with it

A rare amber inclusion underscores the importance of carnivores to the fossil record

On this 210th anniversary of Darwin's birth we hear evolution writer and historian Richard Milner perform a brief monologue as Charles Darwin, and former Scientific American editor in chief John Rennie and Darwin's great-great-grandson Matthew Chapman read excerpts from The Origin of Species.

A new survey shows the number can vary considerably depending how you ask questions about evolution

Bajadasaurus had a neck covered in long spikes. The question is "Why?"

As anthropologists debate how best to protect uncontacted tribes, indigenous groups in Colombia are working to shield their isolated neighbors from the march of modernity

Javelin throwers chucking replicas of Neandertal spears were able to hit targets farther away, and with greater force than previously thought to be possible. Christopher Intagliata reports.

A partial skeleton significantly updates the history of a major, extinct bird family

Researchers have deduced which early human species occupied Denisova Cave and when, drawing surprising conclusions about who made the sophisticated artifacts found there

Small eyes and decorative plates make this Triassic creature stand out

A beautiful skull of Prestosuchus updates what paleontologists thought they knew about this Triassic reptile

A species of hermit crab appears to have evolved a large penis to enable intercourse without leaving, and thus possibly losing, its adopted shell.