Amphibia

A scrub jay perches on a branch near the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida on June 22, 2020. Kennedy shares space with the

Researchers have created genetically engineered 'Peter Pan' cane toads.

It's a story that involves scales, sloughs — and spectacles.

A pair of critically endangered, nearly 100-year-old Galapagos tortoises at the Philadelphia Zoo have become first-time parents.

Over 4.5 billion years, volcanoes, asteroids, and climate change have wiped out millions of species.

Hop through these images from the Smithsonian Magazine Photo Contest

We talk about what an ear even is, how ears have evolved, how they work, and some of the cool ways animals have tweaked their ears to work for their

A photograph shared online genuinely shows an exceptionally large tadpole roughly the size of a soda can or human hand.

Sea turtles are capable of creating GPS-like magnetic maps to guide them back to foraging grounds, and they do a little dance when they recognize those spots

Group of Darwin's frogs threatened by chytrid fungus thrive in specially built room that mimics their natural habitat

The placental barrier fails to fully protect against harmful contaminants, prompting calls for iodine testing in pregnancy and stricter regulatory standards.

From charismatic macrofauna to tiny sea squirts, here are some species formally identified by scientists in 2024.

The introduction of invasive trout, combined with a lethal fungus, decimated populations of what would become the rarest amphibian in the Sierra Nevada.

Once a tragic example of degraded wildlife habitat, the Klamath River's dam removal demonstrates how people can halt the decline of, and even restore, wildlife

Experts think the find will "transform itself into a training ground for researchers and students."

Tarantula hawk wasps offer some of the most painful stings known to humans, giving them almost absolute protection from vertebrate predators.

The amphibians are at the mercy of mining operations that are destroying their ecosystems, but local communities throughout South America are fighting back

Scientists are seeing signs of resistance to the infections that have been wiping out the world's amphibian populations—and they're developing methods to fight the pathogen

From a monkey that weighs only a few ounces to a 100-pound rodent, get to know some of these adorable creatures.

The 161-million-year-old specimen belongs to a giant species of frog from the Middle Jurassic.