Some harlequin frogs have lost their poison—and their ability to defend themselves. Scientists are on the case.

The frogs belong to the Atelopus group from Central and South America.

B. kirki, B. picardi, B. siskoi, B. janewayae, B. archeri, B. pikei, and B. burnhamae live in Madagascar's rainforests. By Laura Baisas Published Oct 15, 2024 5:00 AM EDT Add Popular Science (opens in ...

Panama's beloved golden frog vanished from the wild nearly two decades ago, wiped out by a fungal disease that still lurks in the very streams scientists now want to restore it to. A new experiment ...

Over generations, a small North American frog has learned how to survive in a world that's getting increasingly saltier. But ...

Poisonous frogs produce and store alkaloid poisons or toxins in their skin, which makes them harmful to touch. They are commonly called poison arrow frogs or poison dart frogs. This is because Native ...

The parkrun co-director says the event is a "bit stuck" as the migration is taking long than usual.

Anastasia Maillot is an Evergreen Editor based in Finland. At GameRant, she combines her passion for fiction writing and video games to share her love of all things nerdy with the world. Her love for ...