Geologists found evidence in the way enigmatic sandstones called Tava formed in the Rocky Mountains hundreds of millions of ...

But to find that complexity, we must take the lessons of the boring billion to heart. Planets are not just a stage on which ...

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than previously thought — and may be a big reason that our planet harbors life.

John Sclater, a geophysicist at UC San Diego’s Scripps Institution of Oceanography and a member of the first wave of ...