Mammal bones, especially skulls ... Despite these differences, all mammals share four traits that are shown in the diagram below: hair, mammary glands, a hinged jaw, and three tiny middle ear ...

The secret to titanosaurs’ remarkable biological success may be how they merged the best of both reptile and mammal characteristics to form a unique way of life. Titanosaurs originated by the ...

It's time for March Mammal Madness, baby ... Hinde and the team of experts research the animals' different traits, including factors like diet, size and aggressiveness. A backstory for the ...

The woolly mouse is a tiny mammal engineered to express multiple mammoth-like traits, including longer, frizzier, and more golden fur, as well as curled whiskers with a rough, woolly texture ...

A mouse is the most genetically scrutinized mammal; it has been edited to study the traits of countless genes, sometimes by knocking out or removing them, then observing what physical characteristic ...

The elephant won the first March Mammal Madness in 2013. / John Partipilo / The Tennessean / USA TODAY NETWORK via Imagn Images Every March, college basketball fans print out brackets and try ...

It's time for another edition of the viral March Mammal Madness, which pits 64 animals against each other in hypothetical "battles," bracket-style.

The secret to titanosaurs’ remarkable biological success may be how they merged the best of both reptile and mammal characteristics to form a unique way of life. Titanosaurs originated by the Early ...

A replica fossil of the titanosaur _Patagotitan_, one of the largest dinosaurs ever discovered. It would have weighed about 70 tons (63.5 metric tons.) Spencer Platt/Getty Images News via Getty Images ...