A team of scientists found prehistoric animal footprints that indicate how creatures behaved in Oregon as far back as 50 ...

The massive fossil is suspected to belong to one of the most complete skeletons in the area, portions of which were discovered in the 1970s.

houses one of the longest and most complete fossil records of plants and animals from the Cenozoic Era, which spans from approximately 66 million years ago to the present day. "Encompassing nearly ...

The park also holds evidence of the shift from the Age of the Reptiles (the Mesozoic era) to the Age of the Mammals (the Cenozoic era ... More than 80 species of plants and 20 dinosaur species ...