A new study from Umeå University has revealed that the trees’ circadian clock guides their growth and the timing of seasonal events like the appearance of leaves in spring. The researchers ...

“As humans, our everyday lives are sustained by the behaviors and interactions of forest organisms,” photographer David Herasimtschuk writes of old growth forests. “Yet, because these processes and ...

Scroll down for a transcription of this episode. Trees aren’t just competing for sunlight and soil—they’re also looking out for one another. Scientist Suzanne Simard reveals the unexpected ways trees ...

In this video I set up a Magic Funny Tree for my students and show how it transforms from a plain cardboard tree into a ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. “Jurassic Park,” and its genetically modified dinosaur ...

Los Angeles has some of the strictest tree planting rules in the nation. These policies limit tree growth, worsen shade disparities and don't improve safety, researchers found. When researchers ...

In the days since last week's fatal landslides at Mount Maunganui, there has been widespread discussion about what may have caused the slopes above the campground to fail, including the possible role ...

Oak trees accumulate more wood when there is more carbon dioxide (CO₂) in the atmosphere. That’s the key finding from our new study, carried out in a long-established forest in Staffordshire, England, ...

Too young to save? The issue isn’t that Department of Natural Resources must log old trees to keep up with demand for wood. Most of the agency’s holdings consist of younger forests, many of which are ...

Forests planted with many different tree species have substantially higher aboveground carbon stocks and greater carbon fluxes than monocultures, shows a study. For the study, researchers analyzed ...