New animals and plants are being lost to extinction every year—more than 160 species disappeared just in the past decade.
Japanese zookeepers have finally figured out how Momo, their 12-year-old white-handed gibbon, got pregnant even though she lived by herself and had never had a male visitor. The key? A literal hole in the wall.
More than a third of animal and plant species in the U.S. could go extinct while more than 40% of ecosystems are at risk of collapse, a new report from a conservation group has found.