At around 3,300 meters (2 miles) below the surface of the ocean off the coast of Alaska, where the warm light of the Sun ...

The deep oceans are far from flat. They feature ridges, trenches, seamounts, and valleys, creating a diverse and dramatic ...

Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be making oxygen in the absence of sunlight?

After suspecting the presence of a series of underwater volcanoes near the Cook Islands, researchers have now mapped out the ...

Time, water, and geologic forces have converged to create underwater sinkholes where oxygen ... and gypsum bedrock — rock that was formed from the remains of saltwater seas that once covered ...

It was bright red in color, a stark contrast to the gray piles of rocks ... s underwater robot Pisces V. The volcano spent ...

Images of an underwater sculpture near Thailand's Koh Tao island have been shared around the world in social media posts that ...

They were seeking evidence of the fire’s underwater toll ... spores themselves or by littering rock surfaces. And when ash and debris fall upon the ocean’s surface, it reduces the amount ...

I saw Jacques Cousteau’s film The Silent World many moons ago when I was a little ankle-biter; all I remember about it is ...