In a national park of northern Thailand, a “slender” creature climbed up a rock using its “leaf-like” toes to grip ... but ...

A leaf’s visual characteristics — its size, perhaps, or the shape of its edges — can help tell its story, including the conditions it grows in and even traces of its evolutionary history.

The swabs picked up environmental DNA, or eDNA, shed from 52 animals ... “The fact that they could just swab a few leaves like that and get that many species is really kind of cool and ...

Scientists made fake leaves and dropped them in water tanks to observe how different shapes move as they sink.

Microscopic fragments of protein and DNA recovered from bones discovered ... suggested that modern humans were the makers of distinctive, leaf-shaped stone tools that archaeologists once believed ...