A landslide into a river in Canada's Yukon territory last December sent a tsunami of ice slabs flying over two football ...

It was a very early morning in August when an entire mountainside in Alaska’s Tracy Arm fjord detached and slid into the deep ocean water beneath it.

Ahh, spring has sprung. Robins are chirping. Flowers are blooming. Yikes, it’s getting a little windy out. Wait a minute. Do you hear that? Is it just me or does it look like the lake is moving? Oh no ...