Arrows and abandoned huts are fresh evidence that isolated indigenous tribes are being displaced by illegal logging, conservation groups say.

People may have lived in Florida over 10,000 years ago—earlier than previously thought—according to evidence uncovered by National Geographic researchers.

The annual Ig Nobel Prizes are given to scientists whose work made readers both laugh and think. This year's honors went to research on everything from puzzling placebos to spermicidal soda.

A lion mounts a horse, a skull is knifed, China celebrates its first space walk, and more in our picks of the week's news photos.

The U.S. adventurer's plane "disintegrated" when it hit a California mountain, experts said. The presence of bears and other scavengers may help explain why so few remains have been found.

Paul McCartney performs in Israel, a German jigsaw puzzle may be the world's largest, and more in our weekly roundup of culture photos.

The U.S. $700-billion financial bailout under scrutiny by Congress may put a dent in the federal budget for science and research, scientists say.

Giant diamond discovered, Hurricane Ike victims return to ruins, and more in our roundup of the week's best news photos.

The mission furthers an ambitious space program that aims to build a base on the moon—in cooperation with NASA or not.

On live TV, a Swiss pilot will attempt to rocket into the history books by crossing from France to England using a single, jet-propelled wing attached to his back.

After years of deterioration, the ancient Iraqi city of Babylon is suffering anew in the wake of war.

The mission, which launches Friday, furthers an ambitious space program that aims to build a base on the moon—in cooperation with NASA or not.

The remains of mussels, fish, and other marine life found in two caves on Gibraltar suggest that Neanderthals, like modern humans, actively sought out seafood.

Fans say goodbye to Yankee Stadium, North Korean gymnasts jump rope en masse, and more in our weekly roundup of culture photos.

The world's largest stone dome built without pillars is near completion in India at the site of a gigantic pagoda.