Men and women often enter relationships with different long-term goals. In the animal world, differences in approaches to reproductive success can lead to sexual conflict. In a new study, scientists…
According to a new study published online in the journal BMC Evolutionary Biology, the most recent common ancestor of all snakes was a nocturnal, stealth-hunting predator that had tiny hindlimbs…
When birds got their wings, they lost the clawed fingers wielded by their dinosaur relatives. But they evolved a new “finger”—in their face. And what a boon that has been….
When scientists first made contact with an isolated village of Yanomami hunter-gatherers in the remote mountains of the Amazon jungle of Venezuela in 2009, they marveled at the chance to…
Scientists who study canine origins seem to fight about everything: where dogs arose, when this happened, and even the best way to find these answers. But there’s one thing most…
Studies of hunters and gatherers — and of chimpanzees, which are often used as stand-ins for human ancestors — have cast bigger, faster and more powerful males in the hunter…