Pacific Ocean

Rescue operation teams worked Tuesday to save a 30-foot-long gray whale entangled in a massive gill net off the San Mateo County coast. Ginger Conejero Saab reports.

Tony Romeo, a former U.S. Air Force intelligence officer and CEO of Deep Sea Vision, believes he found Amelia Earhart’s plane that vanished in 1937.

Scientists with the Schmidt Ocean Institute discovered a new hydrothermal vent field in the Galapagos Islands, larger than a professional soccer field.

Japan’s tsunami-wrecked Fukushima Daiichi nuclear power plant has begun releasing its first batch of treated radioactive water into the Pacific Ocean.

An Australian sailor who had been adrift at sea with his dog for three months has been rescued by a Mexican tuna boat in international waters.