Close examination of a rare Brazilian fossil is shedding new light on an enduring controversy in evolutionary thought—why snakes evolved their long, limbless bodies.
Mosasaurs – an extinct group of aquatic reptiles that thrived during the Late Cretaceous period – possibly were "endotherms," or warm-blooded creatures, a paper co-written by a University of Alabama professor suggests.
Researchers have used 'network theory' for the first time to visually depict the movement of dinosaurs around the world during the Mesozoic Era - including a curious exodus from Europe.
Researchers have discovered a 'bizarre' microorganism which plays a key role in the food web of Earth's oceans.
Geologists from the University of Sydney and the California Institute of Technology have solved the mystery of how Australia's highest mountain - Mount Kosciuszko - and surrounding Alps came to exist.
Ichthyosaurs - shark-like marine reptiles from the time of dinosaurs - were driven to extinction by intense climate change and their own failure to evolve quickly enough, according to new research by an international team ...
An unidentified fossilised bone in a museum has revealed the size of a fearsome abelisaur and may have solved a hundred-year old puzzle.
Large butterfly-like insects known as Kalligrammatid lacewings, which fluttered through Eurasian fern- and cycad-filled woodland during the Mesozoic Era, have been extinct for more than 120 million years. But with new fossil ...
An international team of researchers has identified and named a new species of dinosaur that is the most complete, primitive duck-billed dinosaur to ever be discovered in the eastern United States.
A cast of one of the largest dinosaurs ever discovered, a mammoth 122-foot (37.2 meter) titanosaur went on display for the first time in New York on Thursday.