On the way up to Michigan for my mothers wedding, we stopped in Georgia to hunt for Trilobite fossils! I made a mistake with ...

Sometime before 520 million years ago, animal life began to flourish as never before. The small shells, worms and even sponge-like enigmas of earlier eras suddenly unfolded into a new array of species ...

New reconstructions of 540 million years of climate history show the planet tumbling between icehouse and hothouse states, ...