Human movement today is about 40 times greater than the combined movement of all wild animals - including land mammals, birds ...

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 ...

A bizarre and ugly fish that has been around for hundreds of millions of years has been discovered to have the most DNA of any animal ever found. These South American lungfish (Lepidosiren paradoxa) ...

A recent study has upended a long-held assumption in biology: the idea that brain size increases proportionally with body size across all animals. While this relationship has been widely accepted for ...

The fastest animal on land is the cheetah, capable of reaching top speeds of 104 kilometers per hour. In the water, the fastest animals are yellowfin tuna and wahoo, which can reach speeds of 75 and ...