Echidnas, also called spiny anteaters, are some of the weirdest mammals in the world. They're among the only mammals that don't give birth to live babies, and they also carry their young in a pouch.

If the idea of a cold, motionless sexual partner isn't one of your turn-ons, then you're clearly not an echidna. The males of these spiny Australian animals will happily mate with females even if they ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

A nearly gapless genome sequence of the echidna, an egg-laying mammal with multiple sex chromosomes, helps researchers to track genomic reorganization events that gave rise to a highly unusual sex ...

The duck-billed platypus is quite the strange mammal. Because it has a bill like a duck, lays eggs like a bird, has poisoned spurs, and swims around in the water with webbed feet and a paddle-like ...

Animals are awesome. But which is the ultimate champion? Over the next seven weeks, we’ll be pitting some of nature’s most remarkable creatures against one another in a series of virtual battles. Two ...

Physiological, molecular and fossil evidence suggests that ancestors of both platypuses and echidnas were venomous. Male platypuses and echidnas both secrete from spurs in their hind quarters.

If the idea of a cold, motionless sexual partner isn’t one of your turn-ons, then you’re clearly not an echidna. The males of these spiny Australian animals will happily mate with females even if they ...