Watch the biggest iceberg break-up ever captured on film

Ho-lee-crap. You're looking at the largest iceberg calving ever recorded — a whopping 7.4 cubic km (that's 1.77 mi3) hunk of ice, detaching itself from Greenland's Ilulissat glacier — captured by filmmaker James Balog. It's just one of the scenes in Balog's forthcoming film Chasing Ice, and it is remarkable to behold. »12/13/12 2:09pm12/13/12 2:09pm

Greenland's Ice Sheet Melting Faster than We've Ever Seen

It was just yesterday when we showed you what would happen if you got too close to a melting glacier in Greenland — a disturbing glimpse of what's becoming a regular fixture in that part of the world. And now, as we find ourselves having to endure yet another scorchingly hot July, new data from NASA indicates that… »7/25/12 4:30pm7/25/12 4:30pm