It’s rare to catch a spider in the act of killing a bug—and rarer still for a drop of resin to engulf the arachnid as it's on the verge of pouncing...

Before (above) and after the Fukushima nuclear-plant meltdown: Japan's pale grass blue butterflies appear to be mutating...

A harmful modification in the BRCA1 gene prevalent among Jews of Eastern European descent, which increases the risk of developing breast and ovarian cancer, has been found in a Nat...

It's a big week for really old stuff...

Scientists speculate that a Native woman might have traveled from America to Europe a thousand years ago...