triggering the start and end of eight ice ages, new research suggests. The new study revealed an "amazing correlation" between Earth's tilt and ice sheet formation, said lead author Stephen Barker.

Around 10,000 years ago as the last Ice Age drew to a close, the drifting of the continent of North America, and spreading in the Atlantic Ocean, may have temporarily sped up—with a little help from ...

Around 10,000 years ago, as the last Ice Age drew to a close, the drifting of the continent of North America, and spreading in the Atlantic Ocean, may have temporarily sped up—with a little help ...