Pannotia holds an odd place in Earth science. It is mentioned in textbooks and review papers, but its outline is unclear. The projected supercontinent is thought to have existed roughly 600 million ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of Earth 200 million years ago as Pangaea, the last supercontinent, began to break apart. The continents we live ...

A geologist who first proposed the now-accepted supercontinent cycle theory in the 1980s has rallied to the cause of one of those supercontinents, Pannotia, that is in danger of being overlooked. An ...