Mammals in the time of dinosaurs held each other back, shows study
A new study about mammal fossils reveals extraordinary results: it was not dinosaurs, but possibly other mammals, that were the main competitors of modern...
This giant sea lizard from Cretaceous period could grow up to eight meters long
Scientists have identified the fossil of a giant mosasaur in Morocco that grew up to eight meters long.
A giant mosasaur from the end of...
This horned dinosaur from New Mexico was the earliest of its kind
A newly described horned dinosaur that lived in New Mexico 82 million years ago is one of the earliest known ceratopsid species, a group...
What can a dinosaur’s inner ear tell us?
If paleontologists had a wish list, it would almost certainly include insights into two particular phenomena:
How dinosaurs interacted with each other and how they...
Philippines once home to extinct giant cloud rats
The Philippines was once home to three previously unknown species of an unusual group of rodents with fluffy tails known as "giant cloud rats",...
How giant sauropods got their strange skulls
It was always going to be a big lift, piecing together the story of how sauropods — the long-necked, lumbering giants of the dinosaur...
Earth’s biggest mass extinction took ten times longer on land than in the water,...
Our planet's worst mass extinction event happened 252 million years ago when massive volcanic eruptions caused catastrophic climate change.
The vast majority of animal species...
How many Tyrannosaurus rexes roamed North America? Billions!
How many Tyrannosaurus rexes roamed North America during the Cretaceous period?
That’s a question Charles Marshall pestered his paleontologist colleagues with for years until he...
450-million-year-old sea creatures had a leg up on breathing
A new study has found the first evidence of sophisticated breathing organs in 450-million-year-old sea creatures.
Contrary to previous thought, trilobites were leg breathers, with...
Scientists discover winged sharks in the Cretaceous seas
93 million years ago, bizarre, winged sharks swam in the waters of the Gulf of Mexico.
This newly described fossil species, called Aquilolamna milarcae, has...