Deep beneath the Earth's surface, the inner core has long been thought of as a solid sphere, steadily growing as the outer core cools and crystallizes. However, a new study suggests that the inner ...
ATHENS, Greece — The latest of hundreds of earthquakes rattled the volcanic Greek island of Santorini on Tuesday after the ...
A magnitude 4.1 earthquake struck off the Northern California coast after midnight on Tuesday, the U.S. Geological Survey said. Several smaller quakes followed.