A massive boulder named Maka Lahi was recently found about 650 feet from the edge of a cliff in Tonga, and researchers believe that it may have been deposited by a tsunami around 7,000 years ago.

Massive seafloor craters off California are shaped by ancient underwater sediment flows—not methane—revealing a hidden ...

Department of Materials Science and Engineering, University of Arizona, Tucson, Arizona 85721, and Division of Material Science and Technology, Los Alamos National Laboratory, Los Alamos, New Mexico ...