Geophysics

Earth’s atmosphere: Why do levels of carbon dioxide vary over millennia?

NASA-funded study of Iceland’s terrain may influence Mars mission

Expedition makes subsurface maps, takes samples in Chilean peatlands

Snowball Earth: First evidence found of rapid rise in pre-historic sea levels

Zircon dating helps researchers accurately measure geologic time

Deep trenches in the Pacific could be ‘younger’ than scientists thought

Software provides researchers with more accurate view of Earth’s interior

High levels of air pollution in Asia appear to affect weather patterns