Like anurans (frogs and toads) alive today, it had a biphasic life cycle that began with an aquatic larval form – that’s our wormy tadpole – and ended as an adult frog, and now we’ve found ...

In time, these frogs will be able to lay their own frog spawn and their life cycle will begin again. But frogs aren't the only animals that go through metamorphosis. Butterflies also go through a ...