Newly discovered fossils matched up with a mysterious “alien plant” species found in 1969 and brought ... bed near the ghost ...

everything was so much bigger than most mammal fossils you see out of the Cretaceous rocks around there. I thought, 'That's huge,'" said John Foster, curator of collections at the Utah Field House ...

Fossils from the Fezouata Shale. From left to right, a non-mineralized arthropod (Marrellomorpha), a palaeoscolecid worm and a trilobites Disclaimer: AAAS and EurekAlert! are not responsible for ...

This animation created for Evolution: "Great Transformations" depicts creatures whose fossils were found at the Burgess Shale. As alien as these creatures seem, they are also surprisingly familiar.