With its year-round sun and excellent visibility, the waters of the Caribbean offer some of the best scuba diving in the ...

In the remotest reaches of the North Pacific lies a hidden aquatic wonderland for marine life big and small. Under the ocean's tranquil surface, manta rays play in sun-dappled waters. Vibrant tropical ...

Northrop Grumman has revealed more details on its robotic Manta Ray submersible in some new videos. These include a 4K 360° tour of the first test dive and a rundown on the project with images from ...