A rare toad changed the fate of a river by becoming the first amphibian to halt a hydroelectric dam. It's now in trouble.

If you’re a Tucsonan of a certain age, you might have fond childhood memories of catching horned lizards out in the desert. You also might be wondering where all the horny toads have gone. You’re not ...

Lotus roots, sponges, honeycomb, or – yes – the pockmarked back of a water-dwelling toad are all it takes to trigger a person ...