The cold water upwell, which is vital to marine life, did not materialize for the first time on record. Researchers are trying to figure out why.

For all of the natural and human-made hardships the U.S. west coast must endure—earthquakes, droughts, wildfires—it is generally spared hurricanes. Even as two new named storm systems—hurricane Kiko and tropical storm Lorena—currently churn in the Pacific Ocean,

The seizure comes as President Donald Trump has declared war on Latin American drug traffickers and designated cartels foreign terrorist organizations.

A tropical depression has formed in the Pacific and slow strengthening is expected over the next couple of days, the National Hurricane Center said.

Under the lead of the Leibniz Institute for Baltic Sea Research Warnemünde (IOW), a sediment core from the Southeast Pacific was examined that reflects the last 8 million years of Earth's history.

An "enormous" submerged mountain that rivals peaks in the Rockies has been mapped for the first time in a previously unexplored area of the western Pacific, according to NOAA Ocean Exploration.

The National Hurricane Center says Hurricane Kiko is now a Category 4 storm in the Pacific. Forecasters say Kiko's top sustained winds were clocked at 145 mph on Wednesday.

Brig. Gen. Joseph “Clete” Goetz, II, commanding general of the U.S. Army Corps of Engineers Pacific Ocean Division

Eastern Pacific Ocean, thanks to a big increase in skipjack (Katsuwonus pelamis) catch, and stocks are considered healthy. So when the Inter-American Tropical Tuna Commission (IATTC), a multilateral body that manages tuna and other fish stocks in this region,

Jamie, Ewan and Lachlan Maclean broke the world record for the fastest non-stop and unsupported rowing across the Pacific Ocean on Aug. 30

The hidden world of otherworldly creatures was discovered by one of the most decorated Chinese submersibles, named Fendouzhe.