Scientists have, for the first time, observed a massive glacial lake outburst in East Greenland, releasing over 3,000 billion ...

The ripples provide perhaps the strongest evidence for monstrous ancient floods ... Canada in the last ice age, dammed up the Clark Fork River, creating Glacial Lake Missoula.

Some of the largest floods in ... the Cordilleran Ice Sheet (CIS) was near its maximum extent. At this time, the Okanogan Lobe and Purcell Trench Lobe blocked the Columbia River, forming glacial lakes ...