Naturalist Charles Darwin described this tiny, green frog species in 1834, during his voyage on the HMS Beagle. As adults, they weigh less than an ounce and are only about an inch long.

London CNN — Eleven endangered male frogs that traveled 7,000 miles (11,000 kilometers) in a bid to save their species from extinction have “given birth” to 33 froglets at London Zoo.

The team trekked through the cold, moss-covered forests of Tantauco Park for hours each day, trying to spot the tiny green frogs among the dead leaves under the trees. Eleven male frogs rescued ...

Cricket frogs, native to Virginia and North Carolina, demonstrate an incredible ability to skitter across water surfaces, challenging our perceptions of physics and animal behavior. New research has ...

Green chemistry involves the development of chemical products and processes that minimize the use and generation of hazardous and unwanted substances. Current lithium-ion battery cathode ...

The expedition was also captured on film by wildlife filmmaker Paul Glynn, who trekked through the forests of Tantauco Park looking for the tiny green frogs with the rest of the team.

According to the National Wildlife Federation, the Puerto Rican Coqui is a little frog that can appear green, yellow, or brown. Unlike a lot of other common frog species, the coquí does not have ...

Frogs, lizards, snakes, spiders and other insect pests are being transported across the world on cut flowers and potted plants, with the potential to harm nature, according to scientists.