A few years ago, NASA researcher Watson Gregg published a study showing that tiny free-floating ocean plants called phytoplankton had declined in abundance globally by 6 percent between the 1980s and ...

You are taught early in science that oxygen on Earth comes from sunlight. Plants, algae, and cyanobacteria use light to split water and release oxygen, shaping the atmosphere and making complex life ...

An international team of researchers has discovered that metallic minerals on the deep-ocean floor produce oxygen -- 13,000 feet below the surface. Discovery challenges long-held assumptions that only ...

What do deep-sea crustaceans munch on? A new study titled "A deep-sea isopod that consumes Sargassum sinking from the ocean's surface," published in the journal Proceedings of the Royal Society B: ...

Ocean giants like whales are crucial for Earth's balance. Their waste acts as fertilizer for tiny ocean plants called ...

Some 390 million years ago in the ancient ocean, marine animals began colonizing depths previously uninhabited. New research indicates this underwater migration occurred in response to a permanent ...