Crop coefficients are numbers used to calculate the amount of water a particular crop needs. In an unprecedented study, Ali ...

The Trump administration is aiming to complete its team of top officials managing the Colorado River, as states struggle to strike a water deal.

Illinois Attorney General Kwame Raoul and 19 other Democratic attorneys general filed a pair of lawsuits Tuesday against ...

The world’s smallest population of mountain gorillas—a subspecies of the eastern gorilla—is split in two and scientists have debated whether they may be two separate subspecies. A bit more than half ...