In a sighting so rare it has only been witnessed half a dozen times before, two male blue whales were filmed competing for a female. The three whales off the southeast coast of Australia sped through ...

Hidden beneath Arctic waters, beluga whales have long kept their family lives a mystery. By analyzing DNA from more than 600 belugas in Alaska’s Bristol Bay over 13 years, researchers uncovered a ...

For decades, the family lives of beluga whales remained largely hidden beneath Arctic sea ice. Unlike many marine mammals that can be observed from boats or shorelines, belugas spend much of their ...

Learn how long-term mate switching helps a small beluga whale population maintain genetic diversity. Beluga whales in Alaska’s Bristol Bay do not rely on dominant males or fixed pairings to reproduce.

Scientists following humpback whales once brought to the brink of extinction in the South Pacific made a fascinating discovery: Older males were more likely to become fathers and younger males were ...