The Maya would have had to obtain mercury from far locations, transporting it by foot hundreds of kilometres across present-day Central America.
Spectacular finds of the world’s oldest jawed fishes from China push back the origins of jaws and teeth, and suggest how limbs might have evolved.
The identification of a vulture that lived more than 50,000 years ago is shedding more light on biodiversity loss and ecosystem change in Australia.
An analysis of the skull suggests the ankylosaur may have had a poorer sense of smell than its counterparts in the northern hemisphere.
Some penguins would have been as tall (or even taller) than adults today.
Today, Homo sapiens regularly use psychoactive chemicals to modify the mind – but how did it all begin?
Two museum exhibits, one in the Smithsonian and one in Australia, have opened public displays featuring the spectacular meg. But while both models are mega impressive, they’re not the same. Why?
Looking a bit like enlarged woodlice, ancient trilobites crawled along the seabed and had an exoskeleton made of calcite — nature’s version of a suit of armour.
This newly discovered ancient monk seal is challenging previous theories about how and where monachine seals evolved. It’s the biggest breakthrough in seal evolution research in about 70 years.
How ancient microbes survived in a world without oxygen has been a mystery. Scientists discovered a living microbial mat that uses arsenic instead of oxygen for photosynthesis and respiration.