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 ...

Once upon a time, navigating on a backpacking trip meant busting out a map and compass. It’s safe to say that time has long passed: With GPS now integrated into everything from our phones to our ...

"During their first nights on the island, the neuronal compass activity was not too stable," Ulanovsky says. "We observed a gradual learning process until, by the third night, the bats' compass ...

The Hilsa, Tenualosa ilisha, can detect a change in water salinity of less than 0.1 parts per thousand. That sensitivity is not incidental. It is the opening move in one of the most precise ...