Scientists say they have developed a non-invasive, brain-computer interface that enables a person to move a cursor across a computer screen just by thinking about it.

A sudden influx of freshwater from North America's ancient Lake Agassiz to the North Atlantic 8,200 years ago triggered a precipitous cooling of the region, scientists believe. Now they are trying to predict if and when a similar scenario might happen again.

Opening in the U.S. today, the movie I Am David depicts a Bulgarian refugee's struggle in post-World War II Europe. The film is being used by the UN to highlight the plight of current-day refugees.

See our editors' picks of the oddest and most unexpected discoveries of the year, from cat cloning to hobbit-like humans to bloodsucking bedbugs.

Cicadas, a possible flooded future, and the discovery of a hobbit-like human led the ten most popular National Geographic News stories in 2004.

In Siberia the world's largest peatlands absorb greenhouse gasses. But could global warming thaw and dry the bogs, turning them into greenhouse gas faucets?

After 26 years, treasures of Pharaoh Tutankhamun are returning to America. The boy king's artifacts anchor a new museum tour of objects from ancient Egypt's "golden age."

The key to hidden treasure lies in your handheld GPS unit. GPS-based "geocaching" is a high-tech sport being played by thousands of people across the globe.

DNA analysis of bison fossils suggests climate and environmental change, not human hunters, triggered herd declines and the extinction of mammoths, saber-toothed cats, and other large mammals in Siberia and North America.

Insurance adjusters and meteorologists are still crunching numbers and analyzing data, but the 2004 U.S. hurricane season will likely go down as one of the most active on record.

New South Wales, Australia, is bracing for what authorities predict will be the worst locust plague in 25 years.

Global thirst for crude oil keeps growing, despite high prices. Just how much oil does the world have left, and what will happen when demand begins to outstrip supply?

Once harvested almost to extinction in the northeastern U.S., beavers have returned in such huge numbers that they are becoming a nuisance in some areas.

A new digital authentication technique supplies forensic art experts with a new tool to distinguish paintings by masters from those by imitators, scientists say.

Ed Viesturs has summitted 13 of the 14 highest mountains in the world without the aid of supplemental oxygen—thanks to his alpine skills, mental focus, and near freakish physiology.