The platypus and echidna, often regarded as some of the most peculiar animals on Earth, may be hiding a far more complex ...

Australia is known for its odd wildlife, but the echidna might just take the crown. With spines like a porcupine, a snout like an anteater, and the ability to lay eggs like a reptile, this bizarre ...

Found in Australia and New Guinea, the platypus and echidna are called monotremes, and they are unique for being the only mammals that lay eggs. The amphibious platypus has a bill and webbed feet ...

JAKARTA (AFP): An elusive echidna feared extinct after disappearing for six decades has been rediscovered in a remote part of Indonesia, on an expedition that also found a new kind of tree ...

Australia's burrowing echidna evolved from a water-dwelling ancestor in an "extremely rare" biological event, scientists said Tuesday in a new study of the peculiar egg-laying mammals.

(CNN) — The story of two of the strangest animals on the planet just got a little stranger, thanks to clues revealed by a lone fossil specimen that scientists now say represents a long-extinct ...