On the world’s most serene beaches, learning to dive without oxygen tanks becomes a meditation underwater and above land.

This marine biology student from Papua explores the dangers of plastic waste in the ocean, the differences between waste ...

A rare species of whale was sighted off the coast of Cape Cod this month. Three True's beaked whales — which usually dive ...

Scientists photographed three True's beaked whales, believed to be two adults and a juvenile, during a mid-October flight over the Northeast Canyons and Seamounts Marine National Monument, which is ...