The UA has plenty of special features to offer, but one of its more overlooked aspects is its abundant plant life—specifically, that of the Laboratory of Tree-ring Research. UA’s tree-ring lab right ...

Tree rings are not just a great record of a tree’s life, but they can preserve a snapshot of the Earth and beyond at different times. Now Australian scientists analyzing these records have found ...

Trees have special ways to defend themselves against insects, even animals eating their leaves. Learn how trees “talk to each other. Science Trek is available to stream on pbs.org and the free PBS App ...

Our Sun is capable of some truly terrifying outbursts – and now scientists have discovered evidence of its biggest tantrum on record. Tree rings dating back around 14,000 years contain a radiocarbon ...

Leonardo da Vinci seems first to have noticed that widths of tree rings vary in wet and dry years, but there is a big gap between his discovery and a history of tree rings that chronicles Midwest ...

Trees are some of the largest and most widespread organisms on Earth, yet the true number of their species has been an enduring mystery. This lack of knowledge is detrimental to conservation efforts.

If a tree's rings are studied in a lab but no one hears them, do they make noise in the climate movement? An associate professor of oboe at the University of Arizona wondered. It led her to team up ...

'...our trees are that much more useful and powerful than we’ve given them credit for.' By Lauren Leffer Published Jul 24, 2024 11:00 AM EDT Credit: DepositPhotos ...

The toilet brushlike specimen from a Canadian quarry hints at the evolutionary experiments that occurred during a 15-million-year gap in the fossil record. A 352-million-year-old fossilized tree, ...