National Fossil Day (in the United States) is coming up on Wednesday, October 13, 2010.  What I was not aware of until reading David Orr...

The Calymene trilobite that I documented over the weekend has more of its left cheek exposed.  I have suspended work on it as the needle...

Over 400 million years ago, the muddy seafloor stirred below a deep tropical sea.  Slowly, the armored headplate of a multi-segmented crea...