Animal migration has fascinated humans for millennia ... Salmon migrating in the open ocean can find the mouth of their natal river by constantly sampling the seawater for changing concentrations ...

Animal migration is ... movements by zooplankton in the ocean—upward by night to seek food, downward by day to escape predators—can also be considered migration. So can the movement of aphids ...

These are the animals with the longest migrations. In the Yukon, Porcupine caribou travel 3,000 miles. This is the longest migration by ... It crosses the Indian ocean between East Africa and ...

Biotelemetry has provided insight into the mesmerizing world of animal migration. In offering opportunities to track organisms remotely in their natural habitat, this technology has already proven ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A male humpback ...

The arctic tern may look small and delicate, but these magnificent sea birds migrate further than any other animal on the planet ... fish in the world. Their migration routes remain a bit of ...

The vertical migration of Antarctic krill may play a smaller role in oceanic carbon storage than previously believed, according to a year-long study ...