Fossils from giant tortoises, armadillos and other Ice Age-era species challenge previous assumptions about the region’s ...
Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...
Ancient volcanoes in the Arctic may have trapped Earth in repeated "Snowball Earth" freezes for 56 million years.