Alaska's glacial lakes are expanding, increasing the risk of destructive outburst floods, a Colorado State University researcher warns.

Add Yahoo as a preferred source to see more of our stories on Google. Record temperatures and melting glaciers are changing Alaska right in front of the eyes of people who live and visit the state.

Their bodies cooling with the October air, wood frogs are now snug in leafy blankets all over Alaska. Down there inside those thumb-size frogs, even smaller creatures are hitching a ride. These tiny ...