How early pterosaurs walked on the ground has been a complete mystery. Now the first known trackways of their footprints offer answers
The sites are rich in cultural history, but the blazes might also reveal some unknown ones, say archaeologists
The raptorlike prints could also have been from juveniles of a larger species
Small throat bones from the prehistoric feline Smilodon suggest it used fearsome vocalizations to communicate
Feathered carnivore was dark on top and light underneath, with a raccoon-like face.
A nebulous trade in forged and illegal fossils is an ever-growing headache for paleontologists
The world's oldest effort to regrow a rainforest suggests what the future may hold for other deforested regions