Koalas clinging onto trunks may look like one of nature’s cutest things online, but their tree-hugging is actually deeply rooted in survival. In the wild, koalas aren't lounging around; they do live ...

Ants have been seen healing wounded trees in Panama—behavior that is believed to have never been observed before. When holes were drilled into Cecropia tree trunks, the ants emerged from their homes ...