The presence of microplastics in ocean animals suggests that they can travel out of the digestive tract and lodge in the tissues.

New sonar technology that gets its inspiration from dolphins allows clearer visual underwater imaging, a new study shows.

New wearable sensors for dolphins could reveal the cost of human disturbances in marine habitats, say researchers.

New research documents Indo-Pacific bottlenose dolphins lining up to treat skin conditions by rubbing against corals. Analysis of the corals backs them up.

Popularity, not strength or age, determine the reproductive success of male dolphins, a new study shows.

The cetacean blowhole is a unique kind of nasal passage: It rises at an angle relative to the roof of the mouth and exits at the top of the head.

Dolphins don't just randomly choose their friends. Like some people, they pick childhood pals that will set them up for success as adults.

Climate change may threaten ocean mammals like dolphins more than researchers previously realized.