As you read this, the North American continent’s underside is dribbling away into Earth’s molten mantle. And according to ...

This Earth Day, sustainability editor Juliet Kinsman shares her favorite voluntourism opportunities around the world—from ...

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

Many people may not realize, however, just how deep the mess goes (that’s a pun, get ready). According to a new study ...