Rivers began pumping weathered material into the sea about a billion years after Earth formed, suggesting continents may have gotten an early start.

Sweetman discovered that a group of metallic rocks appeared ... being in the dark on the seabed, without light or sunshine. Th report states that “Oxygen is prevalent in deep-sea surface ...

Metallic rocks, typically found around ... "Our discovery of dark oxygen was a paradigm shift in our understanding of the deep sea and potentially life on Earth, but it threw up more questions ...