Blue whales migrate during summer to feed in colder regions where krill is plentiful, like in the waters off California. They return to warmer regions such as the Gulf of California and the eastern ...

Scientists may finally have an explanation for the longstanding mystery of why blue whale calves are rarely sighted, an advance that could help better conserve the critically endangered species.

Gabby Clixby suspected something was up when she heard a "very loud and long laugh" coming from her son's room.