The extinction of many large mammals at the end of the Ice Age may have packed an even bigger punch than scientists have realized. To the list of victims such as woolly mammoths and saber-toothed cats, a team of scientists has added one more: a highly ca

Forests in the United States and other northern mid- and upper-latitude regions are playing a smaller role in offsetting global warming than previously thought, according to a study appearing in Science this week.

Cornell researchers hope to learn how certain bacteria that break down pollutants do their job and then to make them more effective in cleaning up toxic wastes.

The mysterious archaeological ruins located paces from where the Dead Sea Scrolls were discovered 60 years ago served first as a fortress before being adopted by Jewish religious sect, two UCLA researchers contend.

A sheet of molten rock roughly 10 miles thick spreads underneath much of the American Southwest, some 250 miles below Tucson, Ariz. From the surface, you can't see it, smell it or feel it. But geophysicists detected the molten layer with a comparatively n

Researchers at Sandia National Laboratories in California have emerged as key players in a state-of-the-art program for the U.S. Army that focuses on the design and manufacturing of a lightweight, high-caliber, self-propelled cannon system.

Collaborative research between scientists in the UK and Germany (published in Nature Materials) has led to a breakthrough in the understanding of the formation of ice.

Scientists at the Alaska Stable Isotope Facility can tell whether marijuana confiscated in a traffic stop in Fairbanks likely came from Mexico or the Matanuska Valley.

Researchers at UAB (University of Alabama at Birmingham) have new information on the structure of a key enzyme in bacteria that could lead to improved antibiotics and less antibiotic resistance.

A new way of looking at a previously abandoned mathematical model might help astronomers study and accurately identify an exotic clan of gravitational waves.