Great Backyard Bird Count” asks people to track the birds they see and hear over a few days. The information can help ...

Our devastation of nature is so extreme that reversing even a small part of it requires painstaking, quixotic efforts.

Maps of bird flu cases show the spread of the virus across the United States. Most people infected with bird flu in the U.S. have had mild symptoms. Symptoms of H5N1 birth flu infection in humans ...