Walter Alvarez: 3 books

The major new work by the best-selling author of T. Rex and the Crater of Doom--a fascinating history. Walter Alvarez and his team made one of the most astonishing scientific discoveries of the twentieth century--that an asteroid smashed into the Earth 65 million years ago, exterminating the...

"A thrilling synthesis from a brilliant scientist who discovered one of the most important chapters in our history." —Sean B. Carroll Big History, the field that integrates traditional historical scholarship with scientific insights to study the full sweep of our universe, has so...

Sixty-five million years ago, a comet or asteroid larger than Mt. Everest slammed into the Earth, causing an explosion equivalent to the detonation of a hundred million hydrogen bombs. Vaporized impactor and debris from the impact site were blasted out through the atmosphere, falling back to Earth...