The coral Iridogorgia chewbacca, found in the tropical Pacific, has long branches, and its DNA confirms that it is a new species.

From the deep ocean floor to vast underground caverns beneath our feet, these places challenge our understanding of the world.

Hurricane Kiko is swirling in the Pacific Ocean and heading west in a direction toward Hawaii. Forecasters warned that swells from the storm could reach the Hawaiian Islands by the end of the weekend ...

In the deep sea near the Mariana Trench and Hawaii, a new Star Wars-like species was discovered. Polina Silivanova via Unsplash Not all new species discoveries are met with pomp and circumstance.

Tropical Storm Lorena is churning in the Pacific, bringing the possibility of life-threatening conditions and other hazards to parts of Mexico. Parts of the southwestern U.S. could also see some ...

As plastic pollution emerges as one of the planet’s most pressing environmental threats, Tulane University scientists have published the first global assessment of where plastics pose the greatest ...

A major, 7.5-magnitude earthquake struck in the South Atlantic Ocean on Thursday, according to the United States Geological Survey. The temblor happened at 10:16 p.m. Eastern, data from the agency ...

Scientists have mapped less than 30% of the world's seafloor. Experts say that getting that number up to 100% would improve everything from tsunami warnings to the Internet and renewable energy.

Marine researchers exploring extreme depths say they have discovered an astonishing deep-sea ecosystem of chemosynthetic life that’s fueled by gases escaping from fractures in the ocean bed. The ...

Alerts for a potential tsunami were issued for coastlines in North America, Hawaii, Russia and Japan after a powerful 8.8-magnitude earthquake struck in the North Pacific Ocean off Russia’s northern ...

Health remains a top concern for those living near the burn scars of the Los Angeles wildfires that erupted in January. Now, a new map allows residents to check air quality in the Pacific Palisades ...

Scientists have found microplastics speckling the waters of the Mariana Trench, known for being the deepest of any ocean trench, and at every level of the sea. The researchers published their findings ...