A moderately strong, 5.1-magnitude earthquake struck in Japan on Tuesday, according to the United States Geological Survey.

China could use oceanographic research to support its military by gathering critical data about the world's oceans.

Japan is facing the risk of a possible "megaquake" in the near future, following a 7.1-magnitude earthquake that occurred off the southern coast on Thursday. If such a megaquake were to occur, it ...

According to a map provided by Japan’s Defense Ministry, joint air and missile defense training events will take place in the ...