Plants constantly juggle oxygen inside their cells, but scientists have now discovered a surprising twist in how that balance works. Researchers at the University of Helsinki found that ...

It may sound strange but plants can remember stress. Scientists are still learning about how plants do this without a brain. But with climate change threatening crops around the world, understanding ...

Every other Friday, the Outside/In team answers one listener question about the natural world. This week, Jeannie from Burlington, Vt., asked us about wastewater treatment plants. She said she's ...

Under the microscope -- The underground railroad -- What's essential -- Transforming sunlight into sugar -- Why leaves can turn red anytime, anyplace -- How plants tell time -- Night shifts and other ...