Irrawaddy dolphins have captured hearts for generations for their adorable smirks and ability to help humans catch fish. Now it's our turn to help them. An orphaned Irrawaddy dolphin rests in the arms ...

Scientists have documented what might be the first case of friendly interactions between killer whales and smaller cetaceans. Here's what they think is going on. Pacific white-sided dolphins swim off ...

Researchers analyzed nearly 200 whale-dolphin interactions, and conclude: They sure do seem friendly. Humpback whales (Megaptera novaeangliae) like the ones pictured here with bottlenose dolphins ...

“If there is a species that we might be able to engage with in some kind of two-way communication, these guys are really good candidates.” Bottlenose dolphins living near Sarasota, Florida have been ...

With all the splashing, it was hard to tell what was happening under water. As the orcas surfaced to take a breath, dolphins were darting around their heads, but the water was so murky that the ...