Scientists have found fragments a human-made projectile point in a rib of an American mastodon (Mammut americanum) from the Manis site, Washington, the...
Straight-tusked elephants (Palaeoloxodon antiquus) were the largest terrestrial mammals of the Pleistocene epoch, present in Europe and western Asia between...
Paleontologists have unearthed the fossilized remains of an extinct gannet species that lived in what is now Portugal during the Miocene epoch, some 15...
A new species of confuciusornithid bird being named Confuciusornis shifan has been identified from a nearly complete skeleton found in northeastern China.
Life...
A new genus and species of enantiornithine bird has been described from a partial right humerus found in southern Patagonia, Argentina.
An artist’s impression...
Spinosaurus aegyptiacus, a sail-backed theropod dinosaur that lived in what is now North Africa during the Cretaceous period, about 95 million years ago,...
Paleontologists have examined the shoulder girdle bones of an extinct species of temnospondyl amphibian called Metoposaurus krasiejowensis.
Metoposaurus...
Scientists from the United Kingdom and Spain have discovered that tetrapods had more complex connections between their skull bones than fish and, rather...
Paleontologists have described a new species of the extinct otter genus Enhydriodon from fossilized teeth and bones found in the Lower Omo Valley in Ethiopia.
Reconstruction...
Paleoanthropologists have examined three fossilized limb bones of Sahelanthropus tchadensis, one of the oldest known species in the human family tree.
Representation...
The newly-identified species of beaver, Microtheriomys articulaquaticus, represents the oldest semi-aquatic rodent in North America and the oldest amphibious...
How sauropod dinosaurs, which include the largest animals that walked the Earth, were able to withstand the forces associated with their immense size represents...
Living birds have bodies substantially modified from the ancestral reptilian condition. The bird pelvis (hip bone) in particular experienced major changes...
Archaeologists have found butchered bones from a mother mammoth and her calf and signs of controlled fire at the Hartley locality, an open-air site on...
A new genus and species of anatid bird has been identified from a fossilized wing bone found in Central Otago, New Zealand.
The wing bone of the Bannockburn...
New research in mice shows that both polyphenol and carbohydrate components of dried plums (Prunus domestica) have prebiotic activity characterized by...
Scientists from the University of Calgary and elsewhere have followed 17 International Space Station astronauts before and after spaceflight over the last...
Two new species of ancient cetaceans related to modern dolphins and sperm whales have been identified from the 20-million-year-old fossilized ear bones...
