A Relentless Blitz Of Small Rocks Obliterated Earth's Early Atmosphere

The Earth went through some tough times after its formation 4.5 billion years ago. Geochemical evidence indicates that its atmosphere was obliterated at least twice. One theory is that a large object from space smashed into our planet's surface, but a new study suggests it was actually thousands of small impacts. » 12/02/14 1:20pm 12/02/14 1:20pm

Incredible Details Emerge About An Ancient Landslide That Rocked Utah

For years, geologists have been intrigued by landslide deposits in the the Marysvale volcanic field in southwest Utah. It was assumed that these formations were produced by multiple events. But a new study suggests it's the result of a single massive landslide that happened 22 million years ago, the likes of which… » 11/17/14 2:20pm 11/17/14 2:20pm