Earth may have been a 'waterworld' without continents 3 billion years ago, study suggests
Around 3 billion years ago, Earth may have been covered in water – a proverbial “waterworld” – without any continents separating the oceans.That’s according to a new study published Tuesday in the peer-reviewed scientific journal Nature Geoscience from a pair of researchers from the University of Colorado, Boulder and Iowa State University, who […]
