Learn about the complicated the history of mammals and their disappearance. In 2003, a fossil belonging to a mammaliaform was discovered in an ancient lakebed in what's now China. It was an almost ...

The Mesozoic era, traditionally renowned as the age of dinosaurs, also marks a period of remarkable innovation in the evolution of early mammals. Mammaliaforms diversified into a variety of ecological ...

New view of early bird diversification, showing the emergence of pygostyle and U-shaped furcula in the Late Jurassic and the occurrence of crown-group birds (Aves) in the Cretaceous. The timing of the ...

Climate change denial was given a new face last week: Joel Fleischer (Missoulian, rebutting a letter of June 25). There isn’t much to laugh about in environmental matters these days, so an anti-coal ...