Watching a massive whale breach the surface of the ocean is a moment that stays with you forever, but you do not necessarily ...

Among marine mammals, beluga whales ( Delphinapterus leucas) are particularly difficult to study in their icy habitat. To ...

In the icy waters of Alaska's Bristol Bay, a new study reveals how a small population of beluga whales (Delphinapterus leucas ...

A n isolated Alaskan population of beluga whales is small enough that inbreeding could be a major threat. Yet they remain ...

Midwinter marks the annual return of humpback whales to Hawaiʻi, swimming down from Alaska to breed in the warmer waters.

In a 13-year study, researchers found beluga whales "mate swap" to preserve genetic diversity in isolated environments.

Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to ...