Add Yahoo as a preferred source to see more of our stories on Google. Mariana Trench. the deepest point of the earth. We see a boat on the water and a deep ocean trench below it. The deepest depths of ...

Sound waves have allowed scientists to peer through the dark ocean depths and create a new map of the deepest spot in the oceans: the Challenger Deep in the Mariana Trench. The new map has a ...

Ocean floor map. Painted by Austrian artist Heinrich C. Berann, this 1976 map was based on bathymetric studies by geologists Marie Tharp and Bruce Heezen. In summer 2019, the privately funded "Five ...