Japan plans to build an underground bomb shelter on its westernmost island that’s capable of housing up to 200 people.

The project was started bearing in mind a possible emergency over Taiwan in the Nansei southwestern island region.

The underwater complex of Yonaguni has been one of Japan's great aquatic mysteries since dive tour operator Kihachiro Aratake stumbled upon it back in 1985. This ancient structure, which is ...

The Japanese government is taking uncomfortable steps to prepare its citizens for a possible future war that its military ...

In the waters surrounding Japan’s southern Yonaguni Island, an enigmatic structure rests beneath the waves. Known as the Yonaguni Monument, it has puzzled researchers since its discovery in 1986.

Supporters of the theory say the Yonaguni formation, nicknamed “Japan’s Atlantis,” may be evidence of a forgotten civilization that predates the rise of agriculture — a concept that, if ...

Japan's westernmost island lies in sight of Taiwan, less than 70 miles away. On Thursday, a Chinese missile landed near Yonaguni. Japan has been strengthening defenses across its southwest islands.