For good measure, Haxby also threw in sea levels 400 feet lower than they are today, showing how coastlines would have looked 20,000 years ago at the height of the Ice Age.—Peter Tyson Click on ...

Scientists have determined that over the last million years, land formations created by a massive ice sheet have been hidden under thick layers of silt. New images from the North Sea reveal this ...

Researchers have discovered huge landforms deep beneath the North Sea that suggest the region was swallowed by a giant ice sheet toward the middle of the last ice age. The scientists captured ...