Lowly ocean phytoplanktons generate five times more power annually than is used by all the humans in the world.

Like gold? Dig deep. Making a single gold ring requires at least 20 tons of gold-flecked rock, raising the financial and environmental costs of mining.

Concerned the animals could become extinct, the SVF Foundation is collecting germplasm „Ÿ sperm, fertilized embryos, blood and tissue „Ÿ from its cattle to try to preserve Dutch Belteds - one of 18 endangered breeds of cattle, sheep and goats the foundation hopes to save.

Scientists have uncovered clues as to why children and adolescents may get more aggressive or even suicidal while taking the widely prescribed antidepressant Prozac.

A strong earthquake shook Hawaii early Sunday, jolting residents out of bed and causing a landslide that blocked a major highway.

In an effort to prepare U.S. coastal communities for tsunami and storm-driven flooding, scientists are creating high-resolution digital elevation models, or DEMs, designed to improve forecasting for early tsunami warning systems.