Footage shows the 340-foot oceanic research ship retrieving a deep-sea submersible and an unknown piece of equipment.

The Philippines says its coast guard has escorted a Chinese research vessel out of the country's exclusive economic zone. Experts say the Tan Suo 3 is capable of undersea mapping activities, which ...

The Philippine Coast Guard (PCG) on Tuesday expressed concern over the presence of a Chinese research vessel near Ilocos ...