Humpback whales (Megaptera novaeangliae) like the ones pictured here with bottlenose dolphins (Tursiops truncatus) in Kona, Hawaii, appear to be more open to interacting with fellow cetaceans.

Learn more about the tentative ties between brain degeneration and beaching in dolphins, which could become more and more ...

Researchers have documented dozens of playful interactions between whales and dolphins across oceans, highlighting a previously unknown form of marine mammal behaviour. The research, published in the ...

Whales and dolphins have an interesting relationship. Some whales are known to hunt dolphins, but certain observations indicate that they also share social relationships. The social aspect of this ...

The relationship between whales and dolphins has long been shrouded in mystery. But, new research reveals that — despite their vast difference in size — these marine mammals often enjoy playful ...

Climate change is currently threatening whales, dolphins, and seals living in U.S. waters, according to a new study. About 70% of the marine mammals surveyed are facing habitat loss and food scarcity ...

Common dolphins are among the ocean's most abundant mammals, but they are living shorter lives in the North Atlantic, ...