Long seen as myth, an ancient Amazon civilization may have been fueled by a man-made soil. Scientists are racing to recreate the recipe, which they say might fight hunger and global warming.

Archaeologists exploring King Herod's tomb complex near Jerusalem have uncovered rare Roman paintings and two stone coffins that could have contained the remains of Herod's sons.

Newly discovered fossils of the oldest known swimming turtles show the reptiles first took to water some 165 million years ago, researchers say.

A tree-devouring Asian beetle is encroaching on New England's forests, beloved for their brilliant autumn colors and maple syrup, experts say.

Doctors in Spain successfully transplanted a windpipe into a woman using tissue grown from her own stem cells.

Africa's largest undercover investigation of wildlife crime may lead police to smugglers, Kenyan officials said this week. But conservationists claim such stings are futile.

The discovery of 420-million-year-old snail fossils adds to a growing body of evidence about Alaska's long-ago links to Eurasia

A NASA astronaut accidentally lost a tool bag during a spacewalk Tuesday when a grease gun exploded. The kit is one of the largest items ever lost by a spacewalker.

Flares erupt from our galaxy's heart, the ISS gets an extreme home makeover, fires blaze near LA, and more in this week's best space photos.