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An estimated 1 million wild camels roam the Australian outback, and their population is expected to double in a few years. Above-average rainfall in the desert has increased the vegetation available to the animals.

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As it struggles with a Taliban insurgency, Afghanistan's government is building Islamic schools. It's an effort to keep Afghan families from sending their sons to religious schools with a more militant bent in neighboring Pakistan.

Onboard a modern ocean liner, travel to the frozen continent is a far cry from the life-risking affair that it was for early explorers. But Antarctica's allure is still just as powerful.

The western United States was primarily settled in the 20th Century. Despite its arid landscape, water was plentiful in the West during this time thanks to engineering marvels like the Hoover Dam. But

What if a pill could make bad memories less painful and intense? Host Tom Fudge speaks with a Canadian psychologist who is finding a cure to blunt bad memories caused by traumatic events.

Patients are traveling to China to receive experimental stem-cell treatments not offered in the United States. One company claims it has restored vision to blind children, raising controversy in both China and the U.S.

Astronomers meeting in Prague are considering a new definition for the word "planet." Under the new rules, Pluto would still qualify as a planet, despite its small size. But some say the rules would open the door to dozens of new planets.

Every spring there's a brief window for explorers and scientists to try to reach the North Pole. But that window is growing smaller due to a warmer climate.

Two college football bowl games will be played in San Diego, and that means much-needed tourist dollars for the region.