Dozens of Chinese research vessels are on a quest to map the sea floor at strategically vital regions of the world's oceans.

Beneath the surface of the world’s oceans, a quieter competition is unfolding.

Add Yahoo as a preferred source to see more of our stories on Google. China’s General Administration of Customs said officers in the coastal city of Qingdao intercepted the “problematic” maps during ...

Chinese customs officers in the eastern province of Shandong have confiscated 60,000 maps they said contained “errors”, including mislabelling Taiwan and omitting parts of the South China Sea that ...