Chemists have solved a 20-year mystery surrounding the date of a Madonna and Child painting, the "de Brecy Tondo," painted by an as-yet unidentified artist.

A robotic ankle exoskeleton developed at the University of Michigan helps people regain limb function; it is controlled by the wearer's own nervous system.

Legal immigrants chose in recent years to become U.S. citizens because they felt socially welcome, not so they could rake in welfare benefits, new social research shows.

A rare blind snake has been rediscovered in Madagascar a century after its last sighting.

Humans and chimps are even more alike than previously thought; chimps learned to make their own tools rather

Balloons have evolved to become viable and reliable real-time sources of meteorological and atmospheric conditions by staying aloft in all types of weather.