ST. LOUIS — For years, testing of the tap water in an upscale Detroit suburb showed the city was in the clear. Then residents got a notice seemingly out of the blue: Their water could be contaminated ...

Biologists can now analyze snow leopard stress hormones in the field. The newly developed method lets researchers rapidly and accurately measure stress hormones in snow leopards without the need for ...

Researchers found that a majority of studies on coastal sea levels underestimated how high water levels are, and hundreds of millions of people are closer to peril than previously thought. By Sachi ...