Across the American West, officials are racing to contain a wave of invasive and toxic organisms that are literally living in the pipes, canals, and rivers that deliver drinking water. From mussels ...

Far below the waves of the Pacific, scientists are uncovering a riot of life just as industrial machines line up to scrape ...

On a remote Alaskan island, gray wolves are rewriting the rulebook by hunting sea otters — a behavior few scientists ever expected to see. Researchers are now uncovering how these coastal wolves ...