Dolphin news, features and articles

Scientists gave killer whales a breathalyzer to test the animals' health, and found that the orcas are carrying some human pathogens.

A team of Navy dolphins may be the last hope of survival for the planet's arguably cutest porpoises, called vaquitas (Phocoena sinus).

Amidst controversy over captive orcas, researchers suggest ways to make life better for the killer whales in marine parks.

Dolphin mamas appear to sing their own name to their unborn calves.

SeaWorld San Diego, long known for its live killer-whale shows, will begin phasing out the performances next year in favor of conservation-based shows.

Bottlenose dolphins swimming in waters affected by the Deepwater Horizon oil spill are dying earlier and birthing fewer calves than dolphins living in other areas, a new study shows.

A new fossil discovery sheds light on when some dolphins went from oceans to rivers.

Bottlenose dolphins moved into the Mediterranean, once too salty to harbor much marine life, at the end of the last ice age about 18,000 years ago, a new study finds.