Lead exposure may have spelled evolutionary success for humans—and extinction for our ancient cousins—but other scientists ...

Over millions of years, nature has reinvented the crab at least five separate times across various lineages of crustaceans in ...

The sun is located about 26,000 light-years from the center of our galaxy, aka the Milky Way, and its orbit is close to ...

Ancient sloths ranged in size from tiny climbers to ground-dwelling giants. Now, researchers report this body size diversity was largely shaped by sloths’ habitats, and that these animals’ precipitous ...

Almost three quarters of all vertebrates that have been driven extinct by humans lived on islands. The majority of these ...

Climate change and habitat loss could cause more than 500 bird species to go extinct in the next 100 years, researchers from the University of Reading have found. Their study, published today (Tuesday ...

One question that often occurs to people studying evolution is this: if evolution is so great, and so powerful, how come virtually no dinosaurs survived the asteroid impact? Sure we've still got ...

Introduction -- Big Questions -- What This Book Is About -- Scientific Acronyms -- Molecular Graphics -- Section I. The Old Testament of Gene Regulation. Evolution as a Cutout Doll Problem I -- ...