Africa could one day be 'split into two' after a huge crack that continues to grow appeared in the continent. Go back 200 ...

Others believe only single-celled organisms reigned when Earth's plates first cracked apart. In fact, as new methods allow scientists to look ever-deeper into the past, some are now arguing that ...

Such reactions are difficult in water, Mast said, and TMP was very rare on early Earth. When they just mixed those ingredients together in a beaker, or in geologic cracks without heat, the amount ...