Ediacarans

(Newser) - A researcher calls it "a decades-old mystery that has been the Holy Grail of paleontology": What, exactly, Dickinsonia was. It's one of a group of lifeforms called the Ediacaran biota, which the BBC describes as the "first complex multi-cellular organisms to appear on Earth." But for...

(Newser) - Play whatever scene you have in your head of the first creature to emerge from the sea and move onto land. Now hit pause and play it in reverse. A new paper in Nature refutes the long-held theory that life began in the water and evolved onto land, reports NPR...