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.

Meet Four of the Weirdest Animals on the Planet. These strange beasts give mythical creatures a run for their money in this excerpt from “The Modern Bestiary: A Curated Collection of Wondrous ...

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 ancestor.

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.

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.

By Amanda Schupak, CNN (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 ...

The surprising evolution of the weirdest animals on Earth, according to a new study Hand et al. via CNN Newsource A cross-section comparison shows (from left) a Kryoryctes (A) By CNN Newsource ...