Some harlequin frogs have lost their poison—and their ability to defend themselves. Scientists are on the case.

All you ever needed to know about poison dart frogs, from why they're poisonous to where they live and what they eat ...

A BBC Earth wildlife clip is offering a rare look at gliding leaf frogs in the rainforest as they leave the treetops to breed ...

Frogs are often perceived as basic green or brown amphibians, but some of these pond dwellers look like they hopped right out of a science-fiction movie. They feature neon colors, transparent bodies, ...

Purdue University biologists are studying the effects of PFAS on gray tree frogs. Researchers collected breeding pairs of frogs to harvest their fertilized eggs for the experiment. The resulting ...

Kristian Trend recovered from Burkitt lymphoma cancer, which piqued his interest in holistic wellness and meditation Desiree Anello is a Writer/Reporter at PEOPLE. She has been working at PEOPLE since ...

Woodland phlox are blooming, robins are nest building, thermometers are fluctuating and spring peepers are singing their chorus in marshy woods, swamps, ponds and ditches. These tiny tree frogs ...

Melbourne Zoo has released 200 Watson's tree froglets and 1,200 tadpoles in East Gippsland following a successful breeding program. The species is native to Victoria and NSW and lost 80 per cent of ...

When ice and snow begin to melt in California's high-elevation waters, male frogs hop into action. Emerging from hibernation, they head to lakes and ponds scattered throughout the area and begin ...

In the scientific world, this could be groundbreaking. Even Nobel Prize-worthy. I may be living proof that there is such a thing as xenoglossy. For nontechnical readers, xenoglossy is the sudden ...

Springtime in the Bay Area brings with it lush green landscapes, vibrant wildflowers and buds breaking open on trees. And in some places, the soundtrack to all that visual beauty is the chorusing of ...