New research suggests that land-based echidnas descended from semi-aquatic mammals. Gunjan Pandey CC BY-SA 4.0 via Wikimedia Commons Between backward-facing-feet, nipple-less milk secretion and ...

We may have gotten the evolutionary origins of the echidna backward, as new research suggests its ancestors probably lived in ...

Imagine a creature that looks like a mashup from a child’s wildest dreams: a furry animal with the bill of a duck, the tail ...

Analysis of single bone may tell us if the platypus is an evolutionary anomaly — starting on land, then returning to water.

A platypus’s genome is a strange blend—part mammal, part bird, part reptile. Scientists call it a “genetic Frankenstein” because of how many evolutionary features it shares across classes.

The Mammals Dark team travelled to Argentina to film one of the least mammal-like mammals in the world – the ‘large hairy armadillo’. Image by Tom Parry. Camera operator Max Smith sets up a ...

Japan's Ryukyu Islands, which includes Okinawa, are the exclusive home to two rare mammals, the Amami rabbit and Ryukyu long-furred rat. These animals are hard to observe, but conservationists ...

A remarkable fossil discovery in northeastern China has revealed a twisted prehistoric food chain – a dinosaur species that devoured a mammal, which itself may have preyed on dinosaurs.