An ecologist’s long walks and detailed observations allowed him to chronicle the shifts in an iconic habitat and grow a once-overlooked branch of science

Growing research indicates a pregnant woman’s stress level and overall mental well-being can affect fetal and child development, yet access to prenatal mental health care remains inadequate

Here's how the aerial acrobats are able to survive on a nearly all-sugar diet, fly higher than many helicopters can and migrate over the open ocean

While other bears battled over fish in a prime spot, Otis would sit off to the side and wait for the fish to come to him. But so far this year, he hasn’t been spotted in Katmai National Park and Preserve

Researchers suspect the marine mammals may have been communicating across the vast distance

New studies suggest smoke from western megafires may be damaging bird health and leading to strange behavior