It confirmed sea-floor spreading as hypothesized by Hess, and thus "continental drift," originally proposed by Alfred Wegener back in 1912. It convinced many that plate tectonics was the best ...

Researchers have uncovered evidence of long-lost seafloor below the Pacific Ocean, which could rewrite Earth's history. They discovered remnants of an ancient seafloor that is likely a piece of a ...

“Tharp’s work certainly provided evidence and weight to the theory of plate tectonics, but her work is really about seafloor ...