Submarine canyons are among the most spectacular and fascinating geological formations to be found on our ocean floors, but at an international level, scientists have yet to uncover many of their ...

China is conducting a vast undersea mapping and monitoring operation across the Pacific, Indian and Arctic oceans, building detailed knowledge of marine conditions that naval experts say would be ...

SYDNEY - China is conducting a vast undersea mapping and monitoring operation across the Pacific, Indian and Arctic oceans, building detailed knowledge of marine conditions that naval experts say ...