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 ...

When you hear the words “greenhouse gas,” your mind probably goes to carbon dioxide, the concentration of which has been steadily rising worldwide, leading to a feedback loop of absorbing and trapping ...

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Bismarck’s Gateway to Science is honoring its founder by planting a tree on the grounds of the facility.

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 ...

Trees are some of the largest and most widespread organisms on Earth, yet the true number of their species has been an enduring mystery. Subscribe to read this story ad-free Get unlimited access to ad ...

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 ...

Researchers in Japan traced a hidden medieval solar storm using ancient tree rings and centuries-old sky observations. The ...

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 ...