After a series of earthquakes rocked California last week, a scientist has warned that the Golden State isn't the only area ...

The next big earthquake in Japan could strike anytime. Learn about the risks, expert predictions and steps to stay safe and ...

With an equatorial diameter of 7926 miles (12,760 kilometers), our planet Earth is the biggest of the terrestrial planets and the fifth largest planet in our solar system. It is the only planet in the ...