Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope of hydrogen, could ...

Scientists have determined that at least six new aquatic species have been thriving under an Antarctic ice shelf.

Dozens of companies and academic groups are pitching the same theory: that sinking rocks, nutrients, crop waste or seaweed in ...

Now the same team, along with their colleagues, have found signs of dementia-like brain damage, kidney and liver dysfunction, ...

I recently visited the blue whales in the Sea of Cortez near Loreto, Mexico. These majestic mammals, the largest among us, are 85 feet long. They are an endangered species.

Warning signs about shifts in key food sources for fish are beginning to be observed in marine ecosystems worldwide.

Through urine, feces, placentas, carcasses, and sloughing skin, whales bring thousands of tons of nitrogen and other nutrients from high-latitude areas like Alaska and Antarctica to low-nutrient ...

Genetic evidence suggests that the reptiles somehow managed millions of years ago to make an ocean crossing from North ...

The booming ocean economy sustains hundreds of millions of people, but it is being squeezed dry by overfishing, pollution, ...

In the cold, lightless Pacific Ocean deep, the seabed is scattered with metal-rich rocks coveted by miners—and huge numbers ...