Samples collected at daring heights provide evidence for an untested theory of tree drought adaptation, while countering another.

Recent scientific discoveries suggest that Earth was once home to enormous trees, dwarfing today’s tallest redwoods. These ancient giants have left behind intriguing clues in the form of fossils and ...

Scientists from an international project are racing to figure out what kills these anchors of their ecosystems—before it’s too late to save them Ellyn Lapointe | Freelance Writer When hunting for the ...