What scientists increasingly understand is that bird navigation is far more complex than simply following familiar landmarks. Through an interplay of light, quantum spin chemistry, specialized ...

It's well known that many animals, including migratory birds, butterflies, and even fish, use the sun for navigational purposes. Nocturnal animals are dealt a more difficult hand, however, as the moon ...

Most people assume a compass will behave perfectly, no matter where you take it, but the magnetic pole is a bit of a troublemaker. The rules you rely on everywhere else on the planet start to wobble ...