Regular tsunamis are destructive, but mega tsunamis are on another level. Could one really reach skyscraper heights? How are ...

The mystery over the tsunami that formed in the Pacific Ocean on Oct. 9 deepened as researchers found that a series of 13 tsunami were generated over 90 minutes on that day. The latter six tsunami ...

A 7.6 magnitude earthquake struck the Caribbean Sea Saturday evening north of Honduras and southwest of the Cayman Islands.