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

A new single-pixel digital camera in the works would not only takes up less power and space, but might also take night-vision pictures as well.

Scanning the eyes with lasers could help detect signs of Alzheimer's even before symptoms of the disease appear in the brain.

Americans Andrew Z. Fire and Craig C. Mello won the Nobel Prize in medicine Monday for discovering a powerful way to turn off the effect of specific genes, opening a potential new avenue for fighting diseases as diverse as cancer and AIDS.

Underwater debris left in the wake of Hurricane Katrina included this sunken ship in Pascagoula, Miss.