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Earth's climate has undergone dramatic changes over the geologic timescale. At one extreme, Earth has been glaciated from the poles to the equator for periods that may have lasted …
A stunningly illustrated guide to these extraordinary creatures from a world-renowned paleontologistPaleobiology has advanced from a speculative subject to a cutting-edge science. …
An illustrated record book of theropod facts and figures--from the biggest to the fastest to the smartestThe theropod dinosaurs ruled the planet for millions of years, with species …
A richly illustrated introduction to the spectacular reptiles that swam the oceans when dinosaurs roamed the landDuring the Mesozoic Era, 252 to 66 million years ago, dinosaurs …
One of the greatest mysteries in reconstructing the history of life on Earth has been the apparent absence of fossils dating back more than 550 million years. We have long known …
Sixty-five million years ago, a comet or asteroid larger than Mount Everest slammed into the Earth, inducing an explosion equivalent to the detonation of a hundred million hydrogen …
Thirty-five million years ago, a meteorite three miles wide and moving sixty times faster than a bullet slammed into the sea bed near what is now Chesapeake Bay. The impact, more …
An authoritative illustrated guide to the fearsome predators that dominated the Mesozoic world for 180 million yearsNew discoveries are transforming our understanding of the …
Australopithecines, dinosaurs, trilobites--such fossils conjure up images of lost worlds filled with vanished organisms. But in the full history of life, ancient animals, even the …
After the mass extinction of the dinosaurs 65 million years ago, mammals became the dominant terrestrial life form on our planet. Roaming the earth were spectacular beasts such as …