Giant groundsels are rare plants that grow up to 30 feet (9 meters) tall. They are endemic to the slopes of Mount Kilimanjaro ...

Celebrate National Trails Day with some of the best hikes in the U.S.—from slot canyons to grassland wanders to secluded ...

In the fight against climate change, tree planting as a natural climate solution is a popular policy and land-use initiative ...

On the edge of a dense forest on a rugged Australian island, an enormous stump rises from the ground—all that remains of a ...

Many millions more live along or near forest fringes, but even just a scattering of urban trees can provide benefits to humans, such as increased property values and reduced crime. 4. Keep Us Cool ...