Do lions have accents? Study finds geographic differences in roars and reveals what scientists thought was one roar type is ...

While often confused, frogs and toads, both amphibians, exhibit distinct traits. Frogs boast smooth, moist skin and long legs ...

Learn what a barred owl looks like and what their call sounds like. Plus learn where you can spot these large owls in North ...

Abstract: Respiratory diseases remain one of the major problems of public health, and early identification of these diseases benefits patient management, disease treatment and contagion control.

Award-winning photographer Greg Murray has captured countless unforgettable faces over the years — and not just the canine ...