The compass—oldest known navigating instrument—has been revolutionized. Last week Bendix Aviation Corp. announced a new automatic compass that makes the old magnetic needle* look as obsolete as a ...

A pair of proteins may hold the key as to how animals like pigeons, sharks and bees sense the Earth's magnetic field and use it to navigate, scientists say. "This magnetic protein compass may explain ...

Chief meteorologist Mark Dixon checks out the impact of gears on speed and torque in Sept. 14's Science Sunday.

Researchers have cracked the secret of the internal, genetically encoded compass that millions of monarch butterflies use to determine the direction -- southwest -- they should fly each fall to reach ...