Evolutionary biologists aim to form fundamental connections between microevolutionary processes and macroevolutionary patterns based on comparative datasets of population-level variation. In a new ...

Brontotheres, or “thunder beasts” – an extinct lineage of herbivorous rhinoceros-like mammals (though more closely related to horses) – evolved their massive multi-ton body sizes as a way to survive ...

Image usage restrictions: News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. Evolution of cervical count and rib morphology ...