The white mulberry overhung our gravel driveway when my husband and I moved into our Cambridge house 20 years ago. It was a large tree; tall, leafy and fertile. Each year, on a day in early summer, we ...

American trees are in trouble. Based on recent estimates, up to one in every six native species in the continental US is in danger of going extinct, due to mounting threats such as invasive species, ...

When words fail, sometimes you just have to cut down half a tree – at least, that’s what one couple did. The couple, in Sheffield, U.K., called in an arborist to cut down half of the branches of a ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American When you hear the word “kangaroo,” you ...

Visits to the world’s tallest tree in Redwood National Park in California are now off-limits after hikers damaged the forest and left a mess, rangers reported. There’s no trail to Hyperion, dubbed the ...

Sloths are the quintessential couch potatoes of the rainforest, and these sluggish tree-dwellers also serve as a hotel for moths and algae. Three-toed sloths descend from the trees once a week to ...

Things have gotten messy at Joshua Tree National Park. The southern California protected area will close Thursday thanks to security, vandalism and sanitation issues brought on by lack of staff from ...