Fossils of Tiktaalik roseae blended fins with hints of limbs and sported a flat head suited for peering above the waterline.

Imagine a world where changing your biological sex is as simple as flicking a switch. For some remarkable fish, this isn’t ...

Scientists at the Smithsonian Tropical Research Institute (STRI) found that the fringe-lipped bat, known to eavesdrop on frog ...