When a snake displays its fangs, it’s showing off one of evolution’s greatest weapons. This is because snake venom is not a ...

Evolution, normally viewed as a slow, steady process, can occur in rapid fits and starts with one species splitting into several lineages in a relatively short period of time. Now scientists have ...

When the populations of two species oscillate together (for example, predators and prey), it’s a good bet that they are tightly coupled ecologically. A famous example is the Canadian lynx and snowshoe ...

The giant killer claws of dinosaurs such as Velociraptor might have been employed much as birds of prey use similar talons — as hooks to keep victims from escaping, researchers say. The discovery ...

Two University of Nebraska-Lincoln biologists, in a three-year experiment using live blue jays and evolving virtual moths, have made the first direct observations to support a long-standing idea: that ...

Feathers may have evolved on dinosaurs to frighten and flush out prey before they were used for flight, say researchers who built a winged robot and used it to scare grasshoppers. Pennaceous feathers, ...

When snakes feel threatened, they may lash out at the aggressor with a painful bite out of self-defense. In some cases, the biting snake may be venomous, spelling out a possible life or death scenario ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Around 375 million years ago, the ancient fish known as Tiktaalik ...