Department of Geology

Photo of Mars

Life on Mars?

Scientists are trying to determine if methane in the Martian atmosphere came from living organisms

We Are Star Stuff

A large asteroid could destroy all life on earth. But a "rain" of extraterrestrial debris long ago may have led to the conditions that started it, says a U of T geologist

Darlene Lim

Researcher aims to determine whether lakes once existed on Mars

A Gas from the Past

Geochemist discovers gases that may have been present on Earth before the origin of life