WASHINGTON (AP) — Now you see them, now you don’t. Some frogs found in South and Central America have the rare ability to turn on and off their nearly transparent appearance, researchers report ...

At first glance, it might look like a tiny green jewel clinging to a leaf in the rainforest. But if you get closer — and look from just the right angle — you’ll notice something astonishing: you can ...

Kermit the Frog is bright green with prominent, bulging, forward-facing eyes and horizontal black pupils. I’m not talking about Miss Piggy’s companion here, but an actual species of frog discovered in ...