Female red crabs lay their eggs in the ocean every fall.

A group of sea creatures were seen migrating with some friends in California, a marine life tour agency said. Onlookers got a glimpse of eight gray whales migrating north, according to a March 25 ...

Animal migration has fascinated humans for millennia. And for good reason: Some of the most astonishing feats of endurance are performed by long-distance migrants, such as the nine-day non-stop flight ...

Migrating animals have for a long time been tracked by recapturing tagged individuals. More recently, radio-telemetry, which requires an observer to physically follow the tagged animal, has been used.

Each year, sudden drops in temperature in the Northeast cold-stun hundreds of sea turtles migrating through the area.