The Monterey Bay Aquarium Research Institute filmed to giant phantom jellyfish — which has 10-foot arms — more than 3,000 feet deep off the California coast.

More than 126,000 gallons of oil spilled offshore of Orange County, California, closing popular shore diving sites and endangering wildlife.

Believe it or not, there's scuba diving in Los Angeles, Lisbon, Miami and more.

Adventure is just off the shore when scuba diving in Hawaii, Bonaire and more.

Explore the most pristine reefs in the world, from Fiji to Cuba.

Eba, the scat sniffing canine, can locate orca excrement in the water up to one mile away. Researchers analyze her finds to assess why the whale populations are decreasing.

Divers working with local nonprofit Clean Up the Lake aim to remove underwater debris along the 72-mile shoreline. The group has collected over four tons of trash from Lake Tahoe and neighboring Donner Lake since September 2019.

The seafloor search for DDT barrels off the coast of California comes after the *LA Times* exposed an old chemical dumping ground in late 2020.

Great places to scuba in California, Oregon and Washington during a drive-and-dive trip.