Two extinct hominins, Australopithecus afarensis and Australopithecus africanus, were significantly more dimorphic than chimpanzees and modern humans;...
The radius of a planet is a fundamental parameter that probes its composition and habitability. Precise radius measurements are typically derived from...
A small mixodectid mammal called Mixodectes pungens had skeletal features adapted to living in trees, largely dined on leaves, and weighed about 1.3 kg,...
The fastest animals are neither large elephants nor tiny ants, but intermediately sized, like cheetahs (Acinonyx jubatus). Why does running speed break...
In a new paper, astrophysicists from Australian National University present an overview of the thermal history of our Universe and the sequence of objects...
After the extinction of non-avian dinosaurs at the end of the Cretaceous period, many mammals underwent a rapid increase in size. Several hypotheses for...
The long-necked dinosaurs, sauropods, are famous for their extreme body sizes, evolving body masses several times greater than the next-heaviest terrestrial...