A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the ...

A newly discovered trove of fossilized footprints provides what may be the first evidence of prehistoric diversity in ...

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the ...

The tiny 'backward' brain of an ancient sea creature hints that spider ancestors might have gotten their start in the ocean.