Even today, humans' brains are wired to monitor predators and prey.
Never get between a predator and its prey — unless you’re a gutsy scientist with a generous life insurance policy. Here is the latest news and findings on creatures that hunt, kill, and make Shark Week the best week.
Scientists have identified two factors that play important roles in the fitful process of evolution.
Beaver dams could be the answer to stopping the decline of amphibian populations in Canadaâ€™s conifer forests.
When a white-handed gibbon spots a lurking leopard, rather than high tailing it in the opposite direction, the furry ape will actually draw closer to its foe and belt out a song.
Moray eels stalk prey with groupers and even get meal tips from the fish. But that's just the half of this incredible discovery.
When island lizards were exposed to a new predator, natural selection occurred in a six-month period, first favoring longer and then shorter hind legs.
Fallow deer have developed an interesting strategy for surviving the first few weeks of life. They just hide and stay quiet.
VIDEO: Trap-jaw ants use their mandibles to crush prey or as a propulsion system to soar into the air.
Scientists want to import endangered animals from Africa to restore America's ecosystem to a prehuman state.