Paleontologists have analyzed the body profiles of Ediacaran-Cambrian organisms by using trace fossils as proxies for body fossils.
A reconstruction of...
For centuries, naturalists have puzzled over what might constitute the head of starfish. When looking at a worm, or a fish, it’s clear which end is the...
After the extinction of non-avian dinosaurs at the end of the Cretaceous period, many mammals underwent a rapid increase in size. Several hypotheses for...
The long-necked dinosaurs, sauropods, are famous for their extreme body sizes, evolving body masses several times greater than the next-heaviest terrestrial...
Over evolutionary history, many different species of animals have evolved very large body sizes. The general consensus has been that an animal grows to...
A new genus and species of theropod dinosaur with a streamlined body as in diving birds has been identified from a well-preserved skeleton found in Mongolia.
Life...
Otodus megalodon, the largest shark that ever lived on Earth, most certainly reached at least 15 m (50 feet) in total length based on its gigantic teeth....
