Planetary science

Why did Mars dry out? New study points to unusual answers

Study led by UChicago scientist deepens mystery about climate of early Mars

Dust collected from a speeding asteroid analyzed with massive accelerator

Argonne, UChicago scientists among the first to study asteroid fragments from Hayabusa2 spacecraft

There might be many planets with water-rich atmospheres

UChicago study finds way that hot, rocky planets in other systems could form and keep atmospheres

New study helps pinpoint when Earth’s tectonic plates began

Rocks tell story of planet’s transition from alien landscape to continents, oceans and life