Water in bedrock is sustaining trees across country

You can't squeeze water from a rock. But tree roots can—and they're doing it more frequently than scientists previously thought, with a new study finding that bedrock is a regular source of water for trees across the United ...

How underground fungi shape forests

A large study involving 43 research plots in the Forest Global Earth Observatory (ForestGEO) Network—including a swath of trees at Tyson Research Center, the environmental field station of Washington University in St. Louis—has ...

The evolution of tree roots may have driven mass extinctions

The evolution of tree roots may have triggered a series of mass extinctions that rocked the Earth's oceans during the Devonian Period over 300 million years ago, according to a study led by scientists at IUPUI, along with ...

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