Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

The new study deciphered the single-most greatest mass extinction on Earth driven by a natural calamity that still exists.

Greece's government has just declared a state of emergency on the island of Santorini, as earthquakes shake the island ...

The tsunami scare on Saturday raises the question, how much of a risk do tsunamis pose for the Cayman Islands?