Venga

Trees on Oregon's Mount Hood still bear the scars of the Dollar Lake fire, which torched more than 4,500 acres (1,820 hectares) of forest in 2011.

A story in the November 2017 issue documented new discoveries about pterosaurs. In this photo, a life-sized model of a Quetzalcoatlus northropi, which lived in the Late Cretaceous Period, gets a coat of paint in a Minnesota studio.