Resolving the timing and pattern of early placental mammal evolution has been confounded by conflict among divergence date estimates from interpretation of the fossil record and frommolecular-clock ...

An international research team has uncovered 270-million-year-old fossil tracks belonging to a dog-like predator ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The living mammal family tree is full of diverse species–big blue ...

Researchers reveal new insights into the complex evolutionary history behind the distinctive upright posture of modern placental and marsupial mammals, showing the transition was surprisingly complex ...

The Zoonomia Consortium has released genome data on 240 species of mammals. The new data sheds light on mammal evolution, genes related to human diseases, and exceptional mammal characteristics such ...

Although they came into their own only after the extinction of the dinosaurs some 65 million years ago, mammals had maintained a low-profile existence for some 150 million years before that. New ...

The sprawling-upright transition across mammal evolution, showing changes in posture and limb bone shape. The transition from sprawling (reptile-like) to more upright (parasagittal) posture and ...

The discovery of new cynodont fossils from southern Brazil by a team of palaeontologists has led to a significant breakthrough in understanding the evolution of mammals. These fossils, belonging to ...

"The platypus is the only venomous mammal in the world," says Zedrosser. Males have venomous spurs on their hind legs, which they use during the mating season to fight other males. The venom can't ...

Socioecology : origins and trends / Daniel I. Rubenstein and Richard W. Wrangham -- Polyandry in spotted sandpipers : the impact of environment and experience / Lewis W. Oring and David B. Lank -- ...