The Woodbury Fire, which has burned more than 123,000 acres through the Superstition Wilderness since it began June 8, was considered 68% contained as of Friday afternoon, officials said. The fire had ...

Nitrate pollution in water threatens ecosystems and human health, yet removing it efficiently without producing harmful ...

Many of the world's most important systems, such as the atmosphere, turbulent fluids, and even the motion of planets, behave unpredictably due to chaos and noise. Scientists often study these systems ...