Zurich Zoo highlighted the plight of the endangered orange-eyed tree frog. Native to Costa Rica, this colorful amphibian faces extinction from the deadly chytrid fungus. Researchers are racing to ...

It's not unusual to see paint marks on trees in wooded areas and orange markings, specifically, indicate what landowners plan ...

Recently, after writing about mangoes, I received the following email from Steve Huffman: “It might be worth mentioning that ...

Matt Mattia used both hands to flip through the branch at his eye level, studying each side of every leaf as sunlight ...

Now, hope is budding on an unlikely branch: a 30-year-old tree named Donaldson, growing on a research farm near Groveland.