A striking seaweed, ribbon-like metal, and twisted geometry are just some of the winners of the 2007 International Science and Engineering Visualization Challenge.
A new rush to harvest iron, coal, and other minerals in Australia's Pilbara region is creating fortunes. But the unprecedented boom is also making life difficult for tourists, locals, and native groups.
Astronomers working with the SOHO probe have found their first regularly returning comet, a small tail-less body that flies by the sun every four years.
Natural formations or 5,000-year-old city ruins? Scientists are still divided over the origin of mysterious stone structures off the coast of Japan's Yonaguni Jima.
A bear, a beheaded caribou, a cigarette-smoking deity, and other wild wonders stalk our selection of winning pictures from the latest Banff Mountain Photography Competition.
See what towns made the list of the world's dirtiest cities, and witness the grim toll that pollution is taking on people and the environment from Peru to China.
