New photos of an "uncontacted" Amazon tribe are stirring debate. Should isolated peoples be contacted? And are they truly uncontacted in the first place? With video.

Forced to import due to limited farmland, Japan is facing huge price jumps for even basic food items—and a night out is the first thing to suffer. Part of Global Food Crisis: A Special News Series.

High prices are making farming lucrative again. But in the U.S., there's not much productive land that hasn't already been pressed into service. Part of Global Food Crisis: A Special News Series.

Shelves are still stocked in Kenya's stores and stalls, but even staple food items are too expensive for the country's most needy. Part of Global Food Crisis: A Special News Series.

New photos of reportedly uncontacted, painted Indians firing arrows at a plane could help protect the rain forest and its peoples, native-rights activists hope.

The alabaster carving and a mask that might have belonged to Marc Antony were found at a site where teams have been searching for the famous couple's lost tombs.

See a star flaming out in spectacular style, candy-colored fireworks exploding over New York, dairy kings risking injury for a speeding cheese wheel, and more.

Forced to reduce exports as harvests fail, Australia's farmers—and their buyers around the world—suffer. Part of Global Food Crisis: A Special News Series.

The first Eskimos to colonize the New World did not descend from Native Americans, nor are they the ancestors of modern-day Inuit, according to a new analysis of ancient hair.

Archaeologists may have finally solved the enduring puzzle of the prehistoric monuments: They are giant tombstones of the dead.

Radiocarbon dating of human remains indicates that the mysterious stone monument was used as a cemetery longer than previously thought.

A plethora of factors have conspired to create the worst food crisis in a generation—and make it unlikely prices will shrink any time soon. Part of Global Food Crisis: A Special News Series.

The Vatican has reopened the Valeri Mausoleum, the largest and most luxurious of 22 pagan tombs buried under St. Peter's Basilica, the Associated Press reports.

Egyptian archaeologists found the portico, or covered entryway, to the temple of a ram-headed fertility god while conducting the first-ever underwater surveys of the Nile.

See Amazon Indians protest with machetes, French fishers send up flares over fuel prices, Chinese workers erecting "instant" houses for quake victims, and more.