World's oldest turtle shells stand test of time

Plucked from a pit of grey clay next to a rubbish dump in southern Poland, fossilised turtle shells resembling the battle-scarred shields of ancient warriors are the world's oldest and most complete.

The Ichthyosaurs survived longer than was thought

The discovery of a new species of ichthyosaurs considerably changes our understanding of the evolution and the extinction of these dinosaur age sea reptiles, according to a study published this week in PLoS ONE by an international ...