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

India’s first “Algae Tree” installed in Bhopal is making headlines for its ability to absorb carbon dioxide and release ...

Cities and towns are usually 1–3°C hotter than the surrounding countryside, because asphalt, concrete and brick absorb heat ...

That’s exactly what happened to an unfortunate graduate student named Donald R. Currey back in the summer of 1964, who ended ...

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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 ...

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 ...

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 ...

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 ...

A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations. UC Davis ...