Learn how long-term mate switching helps a small beluga whale population maintain genetic diversity.

Beluga whales avoid inbreeding by switching partners over time, helping a small, isolated population stay genetically healthy ...

For the first time, we know more than we ever expected to know about the sex lives of the majestic beluga whale. It's ...

Every year, gray whales embark on one of nature’s most epic migration journeys. Here’s what we know about it, according to ...

A vanishing species of whale gave birth to so few babies this birthing season that it has raised alarms among scientists and conservationists who fear the animal could go extinct. The whale is the ...

Slalom, a 44-year-old North Atlantic right whale, has given birth to her seventh calf, marking the 21st calf of the season.

Each year, more than 10,000 humpback whales migrate to Hawaii. Here are some interesting facts to know about their behavior and how to best see them on your next trip. ByWill McGough, Contributor.

North Atlantic right whales are in worse shape than their southern cousins, in part due to entanglement in fishing gear, a new study says.