There seems to be too much of a radioactive element in rocks deep in the Pacific Ocean – how did it get there 10 million years ago?
A new effort to map the ocean floor funded by the Office of Naval Research uses the magic of mathematics and the power of ...
It's located in the western Pacific Ocean near the Mariana Islands. The trench's depth was first measured during the Challenger expedition in 1875. But it wasn't until the 1950s that scientists ...