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Pacific Ocean

Holland America Line is hosting two solar eclipse cruises, including on aboard the MS Koningsdam.

You Can Watch the 2024 Total Solar Eclipse From Aboard These Cruise Ships

Several cruise lines are offering special sailings for the rare celestial spectacle on April 8, 2024

An orca mother travels alongside her son. Older orca females past their reproductive years often lead their pods on hunts.

Aging Mother Orcas Keep Their Sons Out of Fights

In a new study, male orcas with mothers that had gone through menopause showed less tooth scarring on their fins compared to other males

Antler coral can host different types of algae, sometimes resulting in differences in color. 

This Pacific Coral Can Withstand Warming Waters With the Help of Algae

The heat-resistant organism in antler coral may help it adapt as ocean temperatures increase

Experts aren't sure why the otter is approaching surfers, as sea otters have a natural fear of humans.

A Surfboard-Snatching Sea Otter Is Vexing Wildlife Officials in California

While the animal’s antics may look cute, the dangerous behavior could bring harm to humans or force authorities to euthanize the endangered mammal

An artist's interpretation of what Wilson's little penguins would have looked like

New Extinct Species of ‘Ridiculously Cute,’ Tiny Penguins Discovered in New Zealand

Scientists identified the diminutive birds after finding two of their fossilized skulls

A nesting Hawaiian green sea turtle, or honu in Hawaiian, struggles while trapped in a hole in the sea wall on Tern Island in 2014. This female was rescued, but in 2021 at least seven females died after being trapped on the island.

The Lonely Battle to Save Species on a Tiny Speck in the Pacific

As Tern Island, a former military outpost in the Hawaiian archipelago, falls apart and harms turtles, birds, seals and more, scientists wonder what’s next

Brooding octopuses at a previously unexplored site in the Pacific Ocean, off the western coast of Costa Rica

Scientists Find Rare Deep-Sea Octopus Nurseries

The team captured footage of the eight-armed creatures brooding their eggs in groups near Costa Rica

The massive sharks known as megalodons ruled the oceans for some 20 million years.

Megalodons Were Warm-Blooded—and It Was a Blessing and a Curse

The giant sharks likely warmed some of their body parts, helping them grow massive but leaving them vulnerable to environmental changes, a new study finds

A photo of the Hunga Tonga-Hunga Ha’apai volcanic eruption taken on December 24, 2021, before the biggest eruption on January 15, 2022. Tsunamis caused by the eruption killed at six people in Tonga and Peru and displaced more than 1,500 people on Tongan islands.

Tonga Volcano Sparked the Most Intense Lightning Storm Ever Recorded

Last year’s eruption produced a raging storm at unprecedented altitudes, with 2,600 lightning flashes per minute at its peak

A coral reef in Honolulu, Hawaii. Half of global coral coverage has disappeared since the 1950s.

Coral Reefs Host a Vast Diversity of Microbes

A two-year expedition at sea uncovered more than half a million varieties of microbial life in Pacific reef-dwelling organisms

Algae collected by the artist while free diving off Point La Jolla, California

Stunning Seaweed Prints Capture Life Underwater

Free diver Oriana Poindexter creates cyanotypes of kelp collected off the California coast

Researchers studied California two-spot octopuses both in the lab and in the wild for the new paper. 

Octopuses Can Rewire Their Brains to Brave Chilly Waters

To handle changing temperatures, the cephalopods make “astounding” RNA edits, researchers find

Researchers declare the onset of El Niño when the temperature of the water in the tropical Eastern Pacific is at least 0.9 degrees Fahrenheit (0.5 Celsius) above average for a three-month period.

El Niño Has Arrived

The natural climate pattern usually increases global temperatures and could lead to record-breaking heat

A shark swims near two paddle boarders off California's coast.

Great White Sharks Come Much Closer to Swimmers Than Thought in Southern California

Juvenile white sharks and humans overlap 97 percent of the time in some warm Pacific waters, a new study finds

A close-up of an urchin found on the deep-sea expeditions in the Clarion-Clipperton Zone

These Mysterious Deep-Sea Creatures Live in a Potential Mining Zone

Scientists documented more than 5,500 animal species at the bottom of the Pacific Ocean, but thousands more might remain undiscovered

The 144-foot Blythe Star coastal freighter

Lost for 50 Years, Mysterious Australian Shipwreck Has Finally Been Found

The “Blythe Star” sank off the coast of Tasmania in 1973, heralding improvements to the country’s maritime safety laws

Using suction-cup sensors attached to three humpback whales, researchers captured video footage of the animals rolling around on the ocean floor.

Watch Whales Exfoliate Their Skin on the Ocean Floor

Migrating humpbacks used sand and rubble to slough off dead skin and barnacles, a behavior that may be both practical and social

Before they made their big flight to the South Pacific, the snails were adorned with dots of red, UV-reflective paint to help conservationists find them in the dark.

Scientists Reintroduce 5,000 Snails to French Polynesian Islands

The project’s organizers say it’s the largest-ever release of creatures that are extinct in the wild

Hawaiian monk seal Kaiwi and her pup lie face-to-face in the sand on Kaimana Beach in Honolulu, Hawaii, on April 20.

Newborn Monk Seal Pup and Mother Get 24/7 Police Protection

Wildlife officials closed down a popular Hawaiian beach to protect the pair of endangered mammals

Huge quantities of plastics make their way into oceans and other bodies of water.

The Pacific Garbage Patch Is Home to Coastal Species—in the Middle of the Ocean

These out-of-place organisms are thriving on floating trash, but they may compete with open-water species

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