In 1855, geologist Ferdinand V. Hayden explored the upper Missouri River for the United States Geological Service. At that time, the area was the hunting ground of the Lakota, Blackfeet, Atsina, and ...
Tiny sinuous trace fossils have been found within probable gut contents of an exceptionally preserved specimen of a hadrosaurid dinosaur, Brachylophosaurus canadensis, from the Judith River Formation ...
An emergent field of research in dinosaur paleobiology investigates the relative importance of linear, non-branching evolution (anagenesis) compared with branching evolution (cladogenesis).
"Geo-triad '98, CSPG [Canadian Society of Petroleum Geologists]-CSEG [Canadian Society of Exploration Geophysicists]-CWLS [Canadian Well Logging Society] Joint Convention, June 12-14, 1998"--Cover.
The fossilized skeleton of a 76-million-year-old ferocious dinosaur has sold for more than $6 million in one of the most expensive buys for the prehistoric creatures. The Gorgosaurus, which means ...
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