The Pacific Ocean is by far the world's largest ocean, more than five times wider than our moon. But why is the Pacific so big?Covering about 63 million square miles (163 million square kilometers) — more than 30% of Earth's surface — all of the world's continents could fit inside the Pacific basin,

The Eastern Pacific Ocean spans the west coast of the Americas, crossing 13 countries from Canada to Chile. WWF focuses our seascape work in the Eastern Pacific along the coasts and waters of Mexico,

Noise pollution from deep-sea mining carries an invisible risk for sea life, warn researchers, urging greater transparency from the industry to help mitigate the harms.

The first hurricane in the Pacific doesn’t typically arrive until the last week of June. Three have been named so far this season.

Japan said it observed two Chinese aircraft carriers and supporting warships operating simultaneously near remote Japanese islands in the Pacific Ocean for the first time, a new demonstration of Beijing’s advancing naval capabilities.

Both the U.S. and China have deployed warships to the South Pacific Ocean this year, vying for naval dominance in the region.

Sticking out of the wood and flowing in the water were two “unusual,” feather-like creatures attached to the rotting material by thick stalks, researchers said. Genetic testing confirmed the stalked creatures belong to a new species of crinoid, also known as sea lilies or feather stars, according to NOAA.

By sending warships beyond Japan, the Chinese Navy is demonstrating its ability to project sea and air power far past its home waters.