Mountain lions haven't lived in N.Y. for over a century. But a Ring camera video has residents wondering if the big cats are ...

Watch how this amazingly agile leopard scales a tree trunk, then learn why they do this and how their bodies are adapted for climbing.

Most remarkable about this tree is its isolation: it stands alone on the floor of this expansive, windswept basin. From any ...

Ground-penetrating radar (GPR) has been regarded as a potentially efficient way of evaluating the growth status of trees and preventing deterioration associated with trunk defects. The majority of ...