"They've been hanging on by their flipper-tips for tens of decades." Experts baffled by unprecedented behavior of critically ...

"Urgent and bold action" is needed to save the endangered southern resident killer whales from extinction “before it’s too ...

A new report says a population of endangered killer whales off the coast of British Columbia and Washington state is showing no sign of recovery under the current conditions.

Recently discovered bones of a basilosaurus in Mississippi offer insight into its life and what happened after its death.

From the entanglement of Shelagh, a critically endangered North Atlantic right whale, to the awe-inspiring appearance of the ...

The Canadian government says it is taking steps this summer to protect North Atlantic right whales from lethal collisions ...

The most recent census found 73 southern resident killer whales. Of those, 22 were observed to be in poor condition. Since ...

In Australia, rescuers sprang into action to free a humpback calf from a deadly shark net as its mother watched. Off Timor-Leste, rare footage showed a blue whale nursing her calf — offering a glimpse ...