Add Yahoo as a preferred source to see more of our stories on Google. A stand of aspen trees Researchers have recorded the sounds of the world's largest tree, a 13-million-pound (6 million kilograms) ...

Social media posts warning of "exploding trees" in subzero temperatures are mischaracterizing a phenomenon known as frost cracks. Frost cracks form when water inside trees freezes and expands. As a ...

The artist Scott Kildall is waving his hand over the contours of a Joshua tree, just inches from its spiky green, bayonet-like leaves. "If I get too close to it, it will prick me and draw blood," he ...