These giant rocks could roll at any moment. The fact they haven't offers a window into the shaking of ancient Earth.

The near-complete database reflects a spirit of trust and collaboration among the country’s scientific community — but will ...

At the tops of many mountains and along numerous roads are small brass disks called benchmarks. These survey points map the ...

The amber, excavated from Pine Island Bay in the Amundsen Sea Embayment, provides a unique snapshot of life in prehistoric ...

The US Geological Survey measured the second ... "Here people quickly took to the streets because the ground moved very ...