Offshore oil rigs are some of the largest structures found on the water, but are they just floating out there? How do they stay in place? Here's what we know.

As brutal winds lash the North Atlantic, the Ocean Ranger—touted as "unsinkable"—is battling the storm. By morning, the world’s largest semi-submersible oil rig is gone, swallowed by the sea. 84 crew ...

Massive, offshore rigs the size of skyscrapers remain at sea around the world. Here's why these environmentalists say some should be left alone. An oil rig in the Gulf of Mexico, off the coast of ...

The North Sea’s oil and gas rigs impact more than the atmosphere. Using over than 30 years of data, scientists found the sediment around nine platforms contains levels of pollutants up to thousands of ...

Feb 23 (Reuters) - U.S. oil and gas producer APA Corp on Thursday said it planned to drop a drilling rig in the North Sea as recent increases to tax rates have made its operations there less ...

Guarded by military vessels, it was like “a motorway in the middle of the sea,” he said ... landed on a tiny island and built a drilling rig and a small house for accommodation.