Without a brain, the frog embryo immune system doesn’t receive the signals it needs to mobilize macrophages and fight infections.

Cellular innards can reorganize themselves to form structures similar to cells.

A frog performs a balancing act in a region where amphibians are threatened.

A survey reveals the disease has decimated populations in Central and South America and tropical Australia and contributed to the extinction of 90 species.

A newly described amphibian has such a small range in southern Brazil that it’s already critically endangered.

DNA evidence points to Asian amphibians as the source of a fatal disease that has been wiping out frogs across the globe.  

A trio of papers provide new insight into embryo development.

A decade after chytridiomycosis killed scores of amphibians in Panama, some species are recovering. New research indicates why.  

Baby frogs don’t develop the neural circuitry responsible for feeding inhibition until they begin metamorphosing into adults. 

When forlorn mating calls went unanswered, biologists set him up with an online dating profile.

A once critically endangered species of leaf frog has made a comeback. 

Decades after their discovery by bioprospectors, amphibian-derived analgesics continue to attract scientific attention.

Scientists are making use of Xenopus tadpoles to study autism risk genes. 

Amphibians resist their own chemical defenses with amino acid modifications in the sequence for a target receptor.

Small but striking with its eyebrow-like horns, the 6-centimeter smooth horned frog (Proceratophrys boiei) was one of 453 amphibian species in Brazil assessed in a recent conservation study.

The entire underbelly of a newly discovered glassfrog species (Hyalinobatrachium yaku) is see-through, allowing the beholder to peer into its heart. 

Phyllomedusa bicolor is a nocturnal, tree-dwelling frog that lives in the Amazon rainforest.

Four newly discovered species of night frog (Nyctibatrachus) are now counted among the smallest frogs in the world.

When a frog’s whip-like tongue hits its prey, its saliva becomes thick and sticky in order to grip the food.