Not all fish play by the same reproductive rules. Evolutionary biology reveals how deception became a successful mating ...

Few animals are more majestic than those bearing a crown of antlers. Moose bear these head adornments particularly well; they ...

Here are six species that have some of the strangest and most specialised noses on Earth, turning their faces into remarkable examples of evolution at work. The star-nosed mole has one of the most ...

A dog that mauled a 76-year-old Vermont man to death in his home was involved in a previous violent attack, authorities said.

Male green treefrogs attract mates with loud calls, but new research shows parasites can subtly change those signals.

The new documentary film takes a closer look at the animal kingdom exploring gender and mating behavior in more than 1500 ...

Researchers found a rare, strictly binary brain feature in mice that is permanently active in females but completely dormant ...

A new study on mayflies of the genus Ecdyonurus illustrates just how multifaceted and surprising reproductive behavior in ...

Across the animal kingdom, sound is more than communication—it's a signal of survival and success. From birds and primates to ...

A female bald eagle with 'an attitude' was released at Cape Canaveral Space Force Station after recovering from injuries.

Scientists suggest female frogs listen for changes in the male calls as a signal for when it's warm enough to mate.

Here are 10 animals that have some of the highest levels of testosterone and the impact it has on their behavior and characteristics.