Prof. Maureen Raymo, earth sciences, Boston University discussed the origins of ice ages on Earth in a packed classroom in Snee Hall yesterday afternoon. Raymo explained that by measuring the amount ...

Also available in digital form. NMAI copy 39088019905280 from the library of H. Paul and Jane R. Friesema.

Over 700 million years ago, Earth experienced a dramatic climate event known as the Sturtian glaciation, one of the most ...

PBS is heading into the ice. The public broadcaster has teamed with Australian public broadcaster ABC on natural history series Ages of Ice. The three-part series follows the brave scientists pushing ...