Using measurements from ESA's Earth Explorer Swarm mission, scientists have developed a new tool that links the strength and direction of the magnetic field to the flight paths of migrating birds.

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.

Around 13,200 years ago, a roving male mastodon died in a bloody mating-season battle with a rival in what today is northeast Indiana, nearly 100 miles from his home territory, according to the first ...

Migration is one of the most fascinating and dramatic of all behaviors. Historically, however, the study of migration has been fragmented, with ornithologists, entomologists, and marine biologists ...