Migration is one of nature's best strategies for survival. Countless species depend on precise timing to align their journey with food availability, breeding options, and perfect weather to raise ...

Two vast areas of the north Pacific Ocean, one off the west coast of the U.S. and the other between Hawaii and Alaska, have been revealed as marine counterparts of East Africa's Serengeti plain.

A silky shark named Genie traveled from the Galapagos Islands out to the open ocean and back – over 17,000 miles – over the course of a year and a half. This is the longest recorded migration for a ...