A sperm whale shows its flukes. Scientists use AI to decipher the languages of sperm whales and many other creatures. NOAA Alaska Fisheries Science Center/Kim Shelden For years, scientists have ...

During a robotic exploration of the the ocean’s abyssopelagic zone, scientists discovered never-before-seen, jet-black eggs attached to a rock. After further study and DNA examination, the team ...

More than 5,000 animal species previously unknown to science live in a pristine part of the deep sea. Their home — called the Clarion-Clipperton Zone — sits in the central and eastern Pacific Ocean ...

An underwater voyage has revealed a network of creatures thriving at the bottom of deep-sea ocean trenches, researchers said in a newly published paper. The deep-sea trenches, also called Hadal ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.