The latest news on geology
Traces of Earth's primitive mantle offer clues to the geochemical history of the planet.
"Drip" within the Earth may have raised the Colorado plateau.
Tree rings allow scientists to study droughts in Mexico year by year.
Japan tremor may be part of a second grouping of great quakes.
Bacterial colonies form cones like those on early Earth.
Marine sea-life themes permeate the rock carvings near an abandoned settlement in the southwestern U.S.
Scientists have employed a technique to reconstruct the landform history in New Zealand.
Environmental changes cultivated seafaring, not rice farming.
Wind is a much more powerful force in the evolution of mountains than previously thought.
A big rupture does not increase the likelihood of another one far away.