For over a century, scientists have been captivated by the mystery of how mammals evolved from sprawling creatures resembling ...

The human body is a machine whose many parts—from the microscopic details of our cells to our limbs, eyes, liver and ...

Take a journey back in time to explore the early ancestors of today’s most familiar mammals. From tiny proto-elephants to ...

The shift from lizard-like sprawl to upright walking in mammals wasn’t a smooth climb up the evolutionary ladder. Instead, it ...

The living mammal family tree is full of diverse species–big blue whales, great apes, bats, rodents, and humans, to name just a few.The early evolution of mammals is a little bit murky, with ...

Mammal evolution to upright posture followed complex branching path rather than simple step-by-step progression.

A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding could upend what’s known of their evolution.

The story of how us humans—and other mammals—got our noses may have just gotten more complicated. This is the conclusion of a new study by researchers from Japan who have studied how the face ...

Scientists have long wondered how mammals, including humans, evolved to walk with their legs under their bodies instead of ...

For decades, scientists have known that platypuses and echidnas – Australia’s unique egg-laying mammals – have another developmental quirk: they don’t use the same genetic toolkit as other mammals to ...

A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding could upend what’s known of their evolution.