At some point in evolutionary history, whales and dolphins passed a threshold their bodies could never recover from. Scientists now know exactly what pushed them past it, and which ocean mammals are ...

Northern Resident killer whales off British Columbia have been recorded going quiet during salmon hunts, apparently listening for the sounds of Pacific white-sided dolphins already chasing fish, then ...

Yet another warm-water species has shown up off the California coast, a first for this dolphin species since 2015, when the ...

Swimming at the beach, you quickly notice something huge thrashing in the water. Panic vanishes as you realize it is a whale, stranded by the tide. What do you do? Swimming at the beach, you quickly ...

The waters around the Faroe Islands turned red after hundreds of whales and dolphins were killed during an annual hunt that has existed for centuries. The event, known locally as the “grind,” has once ...

Results are in from our survey mission to study the winter populations of whales, dolphins, and seabirds in the main Hawaiian Islands. It’s only the second expedition of its kind. Take a look behind ...

A leading marine scientist and conservation strategist explores the surprising relationship between whales, ocean health, and climate change – and what their recovery can teach us about protecting the ...

Small whales are disappearing from the world’s oceans and waterways as they fall victim to fishing gear, pollution, and habitat loss – compounded by a lack of conservation measures such as those ...

Dolphins, whales and seals are highly social animals. Many live in groups, form long-term relationships, and repeatedly interact with the same individuals over years or even decades. Some dolphins ...

While the taxonomic status of killer whale ecotypes (Orcinus orca) and common dolphin subspecies (Delphinus delphis) has long been debated, recent research suggests newly recognized subspecies ...