To survive the urban jungle, birds change their tune, with faster-paced and higher-pitched songs to make them heard above the din.

Italian scientists say the effects of strong earthquakes can be predicted seconds before the destruction occurs.

Rity, a software robot (or "sobot"), can transfer itself from one computer to another to serve his masters.

Famed paleoanthropologist Richard Leakey is giving no quarter to powerful evangelical church leaders who are pressing Kenya's national museum to relegate to a back room its world-famous collection of hominid fossils showing the evolution of humans' early ancestors.

A recent study published by the National Academy of Sciences cast doubt on the reality of Gulf War Syndrome (GWS) as a specific disease or syndrome.

The second California condor chick to fledge in the wild in California in more than 14 years has left its nest at the Hopper Mountain National Wildlife Refuge, officials announced today. The six-month old chick, "Number 412," left its nest for the first time October 22, flying approximately 15 feet and is continuing to make short flights near the nest site.