More than 50 sea lions have been found bludgeoned to death on an uninhabited island in the Galápagos, sparking calls for stricter controls on the islands.
Ape researchers are exposing their wild subjects to fatal respiratory diseases, a new study says. But researchers also offer the animals protection from poaching.
As elephants browse through trees on the African savanna, they create nooks and crannies for geckos to hide from predators and the hot sun, according a new study.
Earlier springs and warmer winters are causing hibernating animals to wake too early or not sleep at all—putting many animals on the path to extinction, researchers say.
Fish farms currently provide sustainable populations of fish for eating, but fish raised in open-net farms can spread disease and parasites to wild fish.
Cross River gorillas have been spotted hurling grass and tree branches at invaders, including humans—something never before seen in the wild, scientists say.
Common sunscreen ingredients awaken dormant viruses in the algae that keep corals alive, killing the algae and causing reefs to bleach, a new study says.