The investigative minds at How to Survive look at the powerful chemicals on a tiny frog's skin that can stop a predator's ...

The tiny charismatic frog is just one of thousands. Not long ago, herpetologist and lifelong frog collector Devin Edmonds spent hours with colleagues scouring nearly 8,500 listings such as these on ...

Poison dart frogs are deadly in nature, beautiful and famous for their patterns and colours which makes them noticeable in the forest. They have big eyes but small in size — they are between 2.5 cm to ...

Russia is demanding that European countries who accused Moscow of poisoning Kremlin critic Alexei Navalny with a dart frog ...

The allegation feeds into a long history of high-profile poisonings in Russia, many targeting foes of President Vladimir ...

Russian opposition leader Alexei Navalny was poisoned by the Kremlin with a rare and lethal toxin found in the skin of poison ...

Polonium, Novichok and now dart frog poison: the finding that Russian opposition leader Alexei Navalny was killed with a rare toxin has revived the spectre of Moscow's use of poisons ...

Diplomats in Geneva pay tribute to the Russian opposition leader as European laboratories claim he was poisoned with a dart frog neurotoxin ...

MOSCOW >> The Kremlin on Monday flatly rejected accusations from five European countries that the Russian state had killed Alexei Navalny two years ago using toxin from poison dart frogs, but his ...

LONDON — Russian opposition leader Alexei Navalny was poisoned by the Kremlin with a rare and lethal toxin found in the skin of poison dart frogs, five European countries said Saturday. The foreign ...