Archaeologists hope to prove a skeleton is that of the first leader of the English colony at Jamestown, Virginia. The answer may lie in the DNA of two of Capt. Bartholomew Gosnold's relatives—and the search begins today.
Mice with human brain cells and humans with pig tissue are only two real-life examples of chimeras—creatures that are part human, part animal. But is it safe—and ethical?
More than 50 nations plan to link their networks of satellites and other Earth observation sensors to create an early warning system for natural disasters.
In the wake of December's deadly tsunami governments are scrambling to set up early warning systems worldwide—but experts caution that technology alone may not be enough to avert another disaster.
Can't get going without your morning coffee? You may have a mental illness, according to doctors who want caffeine withdrawal classified as a psychological disorder.
Scientists who just returned from a deep-ocean expedition say they are closer to understanding how life thrives at seafloor cracks spewing scalding water.
The destructive force of the recent tsunami is evident along coastlines throughout the Indian Ocean. But what was the impact on life beneath the waves?
