You can see the joyfulness in them, so the fact that these animals are struggling for reasons really associated with actions by humans is devastating.” ...

An international team of marine biologists has documented the highest known count of deep-sea species living in methane seeps off Costa Rica's Pacific coast.

Scientists discovered the 1-foot-long animal while aboard a submersible several miles deep in the Pacific Ocean. Take a look.

Thousands of marine species from microscopic zooplankton to the largest cetaceans rely on sound for survival and many have ...