Hemispheres of the Earth in geography and cartography refer to any bipartite division of the globe into a hemisphere (from Ancient Greek ἡμισφαίριον hēmisphairion meaning "half of a sphere") The most common such divisions are...
Autumn or Fall is one of the four temperate seasons. Autumn marks the transition from summer into winter, in September or March when the arrival of night becomes noticeably earlier. The equinoxes might be expected...
Thermopolis is the largest town in, and the county seat of Hot Springs County, Wyoming, United States. As of the 2010 census, the town population was 3,009....
Archaeopteryx, sometimes referred to by its German name Urvogel ("original bird" or "first bird"), is a genus of early bird that is transitional between feathered dinosaurs and modern birds. The name derives from the ancient...
Big Spring is a city in and the county seat of Howard County, Texas, United States, at the crossroads of U.S. Highway 87 and Interstate 20. With a population of 27,282 at the 2010 census,...
Traditionally, reptiles are members of the class Reptilia comprising the amniotes that are neither birds nor mammals. (The amniotes are the vertebrates with eggs featuring an amnion, a double membrane that permits the embryo to...
Diplodocus is an extinct genus of diplodocid sauropod dinosaur whose fossils were first discovered in 1877 by S. W. Williston. The generic name, coined by Othniel Charles Marsh in 1878, is a Neo-Latin term derived...
Triceratops is a genus of herbivorous ceratopsid dinosaur that lived during the late Maastrichtian stage of the Late Cretaceous Period, around 68 to 65.5 million years ago (Mya) in what is now North America. It was...
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