Modern birds evolved before the mass extinction that killed dinosaurs, shows study
One of the key skull features that characterizes 99% of modern birds evolved before the mass extinction event that killed all large dinosaurs.
Scientists reveal critical evolution changes to let dinosaurs and birds stand
Dinosaurs — and birds — wouldn’t have been able to stand on their own two feet without some radical changes to their upper thigh...
Scientists calculated the weight of two giant extinct amphibians
The last of the temnospondyls – amphibians that look more like crocodiles – became extinct during the Cretaceous period, about 120 million years ago,...
Scientists discover new pterosaur species in sub-Saharan Africa
With wings spanning nearly 16 feet, a new species of pterosaurs has been identified from the Atlantic coast of Angola.
New Scottish fossil reveals the origins of lizards
A fossil discovery from Scotland has provided new information on the early evolution of lizards, during the time of the dinosaurs.
These ostrich-like dinosaurs from Mississippi are among the world’s largest
Ostrich-like dinosaurs called ornithomimosaurs grew to enormous sizes in ancient eastern North America, according to a study published in PLOS ONE by Chinzorig Tsogtbaatar...
Dinosaur-killing asteroid triggered mega-earthquake lasted weeks to months
66 million years ago, a 10-kilometer asteroid hit Earth, triggering the extinction of the dinosaurs.
New evidence suggests that the Chicxulub impact also triggered an...
Ancient sharks appeared much earlier than previously thought
A handful of fossil teeth from a completely new species, uncovered from rock samples found in China, suggest jawed fish emerged sometime at the...
Scientists find tiny Triassic specimen is an early relative of pterosaurs
A new study of a tiny Triassic fossil reptile has revealed it to be a close relative of the species that would become pterosaurs.
A...
Dinosaur-killing asteroid triggered global tsunami, shows study
The miles-wide asteroid that struck Earth 66 million years ago wiped out nearly all the dinosaurs and roughly three-quarters of the planet’s plant and...