Some tropical trees have evolved a clever way to survive drought by taking in carbon dioxide at night, allowing them to keep their pores closed during the hot daytime and conserve water. By comparing ...

An army of treelike creatures called Ents marches to war in the second The Lord of the Rings movie, The Two Towers, walking for miles through dark forests. Once they arrive at the fortress of the evil ...

Nature classifies all trees into three main groups. Deciduous trees shed leaves seasonally. Evergreen trees remain green year-round. Coniferous trees reproduce using cones. These categories explain ...

Tree ring scientist Ceci Martinez says cottonwoods killed by border wall crews are at most 146 years old, not 200. They are ...

A growing body of research shows the many ways trees improves our mental and physical health. There's a push to understand more. It's well known that trees help counter climate change by soaking up ...

In 2019, Mayor Eric Garcetti unveiled an ambitious plan to plant 90,000 trees in Los Angeles by 2021 as part of L.A.’s Green New Deal. To accomplish this, he appointed the city’s first forest officer, ...