European allies' findings that Putin critic Alexei Navalny was killed with a rare toxin from poison dart frogs is "troubling, ...

The modern poison has become less a medieval cliché than a geopolitical signature flourish.

The Kremlin on Monday flatly rejected accusations from five European countries that the Russian state had killed Alexei ...

The toxin, epibatidine, can be found in frogs in the wild in South America or manufactured in a lab.

Russian opposition leader Alexei Navalny was poisoned by the Kremlin with a lethal toxin derived from the skin of poison dart frogs, five European countries said Saturday.

Russia “had the means, motive and opportunity to administer this poison" to Navalny, a joint statement from five European countries claims ...

Poison dart frogs have fascinated researchers. Now their toxin has allegedly been linked to the death of Russian opposition leader Alexei Navalny.

Two years after the death of Alexei Navalny, five European nations have claimed that Russia used epibatidine, a poison derived from dart frogs, to kill the prominent Kremlin critic. This neurotoxin, ...

Dart frogs in captivity do not produce the toxin, and it is not found naturally in Russia, five European governments said.

Following accusations against Russia for poisoning Alexei Navalny, experts indicate the neurotoxin involved is likely a ...

LONDON (AP) — 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 ...