In the largest study of its kind, scientists have accurately documented the massive change in animal morphology over the last 1,000 years, with domesticated animals growing larger across the board and ...

In one of the most comprehensive studies of body size evolution ever conducted, scientists have found fresh support for Cope's rule, a theory in biology that states that animal lineages tend to evolve ...

The study, published Thursday in the journal Science, finds that over time, the average size of marine creatures has increased by a factor of 150 times since the Cambrian period 542 million years ago, ...