European scientists have combined virtual reality with treadmills to allow users to "walk through" the ancient city as it looked before the devastating volcanic eruption.

Pope Benedict XVI celebrated the first public mass in his 2008 visit to the United States at the Nationals Park baseball stadium in Washington, D.C.

Mexicans pay nearly 8 percent of their annual family income in bribes, according to a poll released yesterday by the Mexican anti-corruption group Transparencia Mexicana.

National Geographic producer Michael Davie was an eyewitness to yesterday's plane crash in Goma that reportedly killed at least 21 people.

Amid colorful fireworks, Prime Minister Lee Hsien Loong inaugurated the more than 500-foot-tall (150-meter-tall) Singapore Flyer, billed as the world's largest observation wheel.

The canyon's Upper Granite Gorge formed 55 million years ago, a new study says, suggesting that the Grand Canyon we see today may be the result of "ancestral" canyons that slowly grew together.

Dangling high above San Francisco Bay, high-altitude activists turned the Golden Gate Bridge into an anti-China billboard. The Olympic torch is set to arrive Wednesday.

Fire destroyed the historic Quebec City Armory Friday night. The building contained what is believed to have been the largest suspended wood ceiling in Canada.

See a striking image of blood on ice, the Golden Gate gone dark, a "young" supernova, a robotic ship on the edge of space, and more.

See the earliest known gold necklace created in the Western Hemisphere—found in a burial site near Lake Titicaca in Peru.

In the small hilltop town of Torrita di Siena, they race a horse of a different color.

The flame was flown from Greece to China, arriving Monday in Beijing, where the Chinese president sparked the longest ever Olympic torch relay.

See a giant squid glossily preserved, the world's tallest man getting a break, northern lights glowing green over the Arctic, and more.

Cities around the world will briefly go dim Saturday evening as the lights of buildings and landmarks are shut off for one hour to raise awareness about climate change.

Egypt's City of the Dead is one of the country's largest cemeteries, dating back to the 14th century. As Cairo's population swells, the graveyard provides cheap and even free housing.