We're all familiar with apples and pears, but there are many other fruit trees that produce edible fruit. Perhaps not as ...

Sea ice extent in the Arctic has decreased by about 40 percent since 1979. New technologies are being deployed to regrow it.

The Eben Ice Caves aren’t just frozen waterfalls. They’re a physics lesson in slow motion. Each winter, water trickling through Michigan’s UP limestone creates caves made entirely of ice, forming ...