trees

California’s trees are dying at an alarming rate.

CT scans of "Lucy," a human ancestor that lived 3 million years ago, reveal evidence in the structure of her bones that suggests she climbed trees as well as a walked on the ground.

This powerful camera gives insight into the effects of climate change in Alaska’s Tanana Valley.

The Amazon rainforest is awash in different types of trees — almost 12,000 species and counting, a new study finds.

A massive tree in Malaysia recently found by conservationists may well be the tallest in the tropics.

Having a lot of green around your home might help you live longer, according to a new study of more than 100,000 U.S. women.

Trees made of hard and soft wood, or of hefty or slender cross-section, all tend to break at roughly the same wind speed, and a new study explains why.

Drought could kill many of the trees in forests around the globe, and particularly in the United States, if global warming isn't contained.