At some point in evolutionary history, whales and dolphins passed a threshold their bodies could never recover from.

Most cat owners are convinced they know when their pet is having fun, but researchers studying thousands of social media ...

Your dog stiffens, growls, and refuses to budge near someone who seems perfectly harmless to you. Science suggests your dog ...

The world's only hairless rabbit lives in Russia. Is it the rarest animal on the planet, or does another species hold that ...

Meet the crypt-keeper wasp, a parasitoid hypermanipulator who makes their host grow fast and then climbs through their head!

A new study turns a long-held belief about one oyster species' feeding habits on its head. The new data could have an impact ...

Your cat curls up beside you, purrs through several minutes of petting, then sinks its teeth into your hand without warning.

Conservation teams in South Florida just wrapped their most ambitious python removal season yet, and the strategy they used ...

The latest research suggests that at least one frog species has a natural defense against the deadly chytrid fungus.

Across more than 35 states, wild boars, often called feral swine, wild pigs, or feral hogs, are spreading. Estimates place ...

The latest research suggests that indri lemurs use the same vocal technique as opera singers to communicate across the jungle ...

This parasitic wasp lays its eggs in a ladybug and then may use a virus to control the beetle's behavior to protect the larva ...