Animals’ bright colors can be a warning to predators or an appeal to mates. Scientists looked back in time to figure out why.
Recreating 130,000 years of mammal food webs with machine learning reveals the scope of the biodiversity crisis.
The megalodon was an even more fearsome predator than previously thought, able to take down prey the size of modern orcas.
Animals are altering their lives to adapt to climate change, but those changes may make them worse off, researchers warn.
Hanging out with other guppies can offer protection against predators, but all that social mingling can set them up for breeding deadly parasites.
A species of jumping spider in Kenya appears to use the blood-red abdomen of mosquitoes to target them as prey.
The ability of the gray fox to climb trees may offer a way for it coexist with coyotes, but preserving tree cover is key.
A group of orcas, also called killer whales, took down a blue whale near Australia. A whale biologist explains this extreme kind of predation.