In northeastern Vietnam, researchers spent nearly a decade scouring mountain forests and nature reserves for a little-known endangered species of frog. Quasipaa acanthophora, or the Mau Son spiny frog ...

A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding ...

Spiny bush vipers are fascinating to look at but incredibly dangerous. Here's more about where they live, how they hunt and ...

In northeastern Vietnam, researchers spent nearly a decade scouring mountain forests and nature reserves for a little-known endangered species of frog. Quasipaa acanthophora, or the Mau Son spiny ...

Photo by Nguyen VT, Pham A, Nguyen T, Tran T, Ziegler T, Pham C (2025) Staked out along rocky streams in evergreen forests — the species’ natural habitat — researchers caught 38 spiny frogs ...