A microbiologist is proposing the idea that the reign of dinosaurs forced mammals to speed up their reproductive cycle, ...

A research team from the LKS Faculty of Medicine at the University of Hong Kong (HKUMed) has developed a machine-learning ...

A tiny mammal called Cimolodon desosai from the dinosaur era is helping scientists understand how mammals survived extinction ...

Primates appear to show one of the most diverse and complex ranges of colorations of mammalian groups. The so-called blue ...

A breakthrough study reveals how shifting the body’s healing response could help regenerate tissue instead of forming scars.

A newly discovered prehistoric mammal may hold clues to how life survived the dinosaur-killing extinction. The tiny species, ...

Humans run the animal kingdom’s only criminal courts. We alone bicker over the difference between murder and manslaughter, and plumb the ethical depths of intent. Other animals still kill their own ...

We can study animals from all over the world thanks to science, but what about those that no longer exist? The list of extinct mammals could go on for ages, but each animal has a unique story. With ...

More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has revealed. More mammals were living on the ground several ...

Mammals and dinosaurs coexisted on Earth until a catastrophic event 66 million years ago killed 75% of life on the planet.

Modern mammals are known for their big brains. But new analyses of mammal skulls from creatures that lived shortly after the dinosaur mass extinction show that those brains weren’t always a foregone ...

No, birds are not mammals. Rather, they are avians. Mammals are characterized by their milk glands, hair, vertebrae and their birthing of live young (being viviparous), according to Britannica.