For Sarah Hall, every mealtime was dangerous.She has a rare condition called cardioinhibitory syncope, which causes overactive nerve signals to tell the heart to...
Daddy longlegs have been spotted devouring live frogs bigger than themselves in the tropical forests of South America, a new study reports. And this...
A rapid koala rebound in southeastern Australia is also boosting their genetic variation, showing one way out of an extinction death spiral.
After nearly disappearing...