Some areas of the Tropical Ocean harbor very productive fisheries that feed millions of people and thus contribute to the socio-economic stability of many countries around the world. Paradoxically, ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Polymetallic nodules scattered across bottom of the ocean floor (Credit: Wikipedia Commons) It’s one of the earliest things you ...

Add Yahoo as a preferred source to see more of our stories on Google. It had been believed that oxygen could not be produced without sunlight - AYDIN MUTLU/ISTOCKPHOTO Dark oxygen is being created on ...

Image: Even low concentrations of oxygen can have profound effects on ocean chemistry Photo of Australia’s red-weathered hills. Credit: Ariel Anbar, ASU Scientists widely accept that around 2.4 ...

Persistent lack of oxygen in Earth’s oceans affected animal evolution Photo of Little Horse Canyon near Orr Ridge, Utah. The oceans became oxygen-rich as they are today about 600 million years ago, ...

Deep-sea researchers have launched a groundbreaking project to investigate "dark oxygen"—a form of oxygen produced in total darkness on the ocean floor. The initiative follows last year's discovery of ...

A mysterious phenomenon first observed in 2013 aboard a vessel in a remote part of the Pacific Ocean appeared so preposterous, it convinced ocean scientist Andrew Sweetman that his monitoring ...

Climate change is extending far beyond the threat of melting polar ice caps -- it's putting a dangerous stranglehold on life in oceans, too. A new study published in the science journal Nature ...

A hidden mineral trap in ancient ocean sediments may have starved early marine life of phosphorus, the nutrient most critical for biological productivity, and in doing so kept Earth’s atmosphere ...