Lichens survive in a very wide range of habitats worldwide. Amazingly, more than 400 species can be found in Maryland.

Tree warts are never predictable. From the outside, this one looked awkward, heavy, and full of unknowns. Once it went on the ...

When temperatures plunge and the air goes painfully still, people in northern forests sometimes hear a sharp crack that ...

Tree rings hold clues about ancient solar storms. New research shows tree growth and carbon storage can shift those signals ...