Scientists propose a new way to predict animal movements in a changing world, aiding conservation and policy efforts.

On our planet, at any one moment, billions of animals are on the move. From migratory birds, insects, marine mammals and sharks connecting distant continents and seas, to bees and other insects ...

The sun gives them an energy boost. Muscle activity in cold-blooded animals depends on chemical reactions, which run quickly when it is hot and slowly when it is cold (because the reacting molecules ...