Bird-brains keep pace with GPS systems by flying Earth’s magnetic field.

A minor earthquake that shook parts of Maine at 8:07 p.m. local time yesterday caused water to drop 2.5 feet at a U.S. Geological Survey monitoring well.

Underwater sonar images of a black shape could be a World War II submarine that sank in 1942 near the tip of Alaska's Aleutian chain.

Between all-night flights and the constant threat of being eaten, thrushes can barely find time for shut-eye.

Doctors sometimes have to guess where to stick a needle. But new technology projects the position of veins directly onto a patient's skin to offer easy-to-find targets.

Chemists at Virginia Tech have created an egg-shaped molecule called a “buckyball egg,” whose shape seems to defy rules in this area of research.