The golden poison dart frog looks harmless — small, brightly colored, and no larger than a light bulb. But it is one of the most poisonous animals ever discovered. A single frog carries enough ...

RJ Mackenzie is a freelance science writer with a neuroscience degree. RJ Mackenzie is a freelance science writer with a neuroscience degree. View full profile RJ Mackenzie is a freelance science ...

New species of poison dart frog from Brazil and Peru described after being misidentified for decades, according to a study. CRYSTAL MIRALLEGRO Unsplash For nearly 40 years, a new species of poison ...

Scientists have discovered a new species of poisonous frog -- brightly colored and measuring just a few millimeters -- in the Amazon, according to a Peruvian government agency in charge of ...

Germán Chávez is no stranger to the Amazon rain forest, where he says "one can't help but get excited" by all the reptiles and amphibians that he has made a career out of studying. But when he came ...