Far below the familiar blue of the oceans, scientists are uncovering evidence of a vast hidden reservoir of water locked inside the rocks of Earth’s mantle. Rather than a single underground sea, this ...

Explorers know that the Earth’s oceans are vast, covering about 71% of the surface of the globe. According to a new study, just 0.001% of the deep seafloor has been visually observed. The deep ocean ...

(Saunderstown, RI — May 7, 2025) In a groundbreaking study published today in Science Advances, researchers from Ocean Discovery League reveal that only a minuscule fraction of the deep seafloor has ...

Researchers have uncovered surprising evidence that the deep ocean’s carbon-fixing engine works very differently than long assumed. While ammonia-oxidizing archaea were thought to dominate carbon ...

University of Hawai‘i at Mānoa oceanographers discovered that microbial communities in the North Pacific Subtropical Gyre — ...

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 ...

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 ...

Scientists have found evidence of giant squid and numerous other rarely seen marine creatures off the coast of Western ...