-
Polar bears continue to take a hit in regions with the greatest loss of snow and ice, the latest report card on the Arctic shows. Meanwhile, plankton are thriving as the sea heats up.
-
A 700-year-old caribou dropping from northern Canada holds surprisingly well-preserved viruses. There's no evidence the viruses are dangerous, but they are scientifically interesting.
-
Randall Hyman is a St. Louis-based photojournalist and writer. For more than three decades, he has traveled the globe covering cultural and environmental…