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 ...

A breakthrough discovery of oxygen production in darkness could redefine life's origins on Earth and open new frontiers in space exploration.

A sizable earthquake reportedly struck in the Pacific Ocean on Monday morning ... the German Research Center for Geosciences (GFZ) said. The quake was at a depth of 10 kilometers, GFZ said.