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 ...

Results show that players’ choices echo predator-prey patterns seen in wildlife, though scientists stress the limits of the ...

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 ...