Young Tyrannosaurus rexes were deadly despite bite force one-sixth that of adults
Jack Tseng loves bone-crunching animals — hyenas are his favorite — so when paleontologist Joseph Peterson discovered fossilized dinosaur bones that had teeth marks...
Fossil secret may shed light on the diversity of Earth’s first animals
A large group of iconic fossils widely believed to shed light on the origins of many of Earth's animals and the communities they lived...
Space junk: Houston, we have a problem
Humans have left an absolute mess in space but no one wants to clean it up.
When we think of space, we think big and...
Scientists find unprecedented mercury accumulation in Pacific Ocean trenches
A new study has revealed unprecedented amounts of highly toxic mercury are deposited in the deepest trenches of the Pacific Ocean.
The study, a multi-national...
How a small fish coped with being isolated from the sea
The last ice age ended almost 12 000 years ago in Norway.
The land rebounded slowly as the weight of the ice disappeared and the...
North American and Eurasian horses are genetically connected through Bering Land Bridge, shows study
A new study of ancient DNA from horse fossils found in North America and Eurasia shows that horse populations on the two continents remained...
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...
Antarctic ice sheet retreat could trigger chain reaction
The Antarctic ice sheet was even more unstable in the past than previously thought, and at times possibly came close to collapse, new research...
Earth’s core may hold 70 times more water than the oceans, shows study
High-temperature and high-pressure experiments involving a diamond anvil and chemicals to simulate the core of the young Earth demonstrate for the first time that...
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...