Mammals made landfall long before asteroid wiped out dinosaurs

London, UK (SPX) Apr 10, 2025

More mammals were moving from life in the trees to living on the ground several million years before the mass extinction that ended the age of dinosaurs, according to a new study led by the University of Bristol. Published in the journal Palaeontology, the research sheds light on how marsupial and placental mammals in Western North America were already adapting to terrestrial environments