New images from the North Sea show never-before-seen landforms that were carved by a single, colossal ice sheet 1 million years ago and subsequently buried beneath a thick layer of mud ...

the massive expanse covering North America during the last Ice Age, which ended about 10,000 years ago. A team of scientists found that small spikes in the temperature of the ocean -- not the air ...

According to a geological study conducted in 1997, Green Lake and Round Lake are probably the remnants of the "plunge pools" of enormous waterfalls that existed during the Ice Age. The two glacial ...