Claims that Alexei Navalny was killed with dart frog poison has placed new scrutiny on Russia’s secretive chemical weapons ...

The poison dart frog may be tiny, but it is one of the most toxic animals on Earth. Found in the rainforests of Central and South America, these brightly colored frogs carry powerful toxins in their ...

A joint report alleging that a poison dart frog toxin has been linked to the death of Russian opposition leader Alexei Navalny rippled quickly around the globe among scientists. The allegations raised ...

Add Yahoo as a preferred source to see more of our stories on Google. A joint report alleging that a poison dart frog toxin has been linked to the death of Russian opposition leader Alexei Navalny ...

Russian opposition leader Alexei Navalny, who died in a remote Siberian prison two years ago, was almost certainly poisoned with a deadly toxin found in South American dart frogs, five European ...

Russian opposition leader Alexei Navalny died after being poisoned with a rare "dart frog toxin," the United Kingdom's Foreign Office said in a statement released Feb. 14. The announcement comes two ...

The Kremlin said it had a "very negative" reaction to Western accusations that the Russian state fatally poisoned jailed opposition leader Alexei Navalny with a deadly toxin found in the skin of ...

Russian opposition leader Alexei Navalny was fatally poisoned with a toxin from Ecuadorian dart frogs that is 200 times stronger than morphine — a “despicable” killing which could only have been ...

Yulia Navalnaya, widow of Russian opposition leader Alexei Navalny walks away from his picture after lighting a candle at the end of a service in St. Mary's Church on the occasion of his birthday, in ...

Alexei Navalny dart frog toxin poisoning: What we know Epibatidine, found in the Ecuadoran dart frog, causes muscle paralysis and eventual asphyxiation. Experts have said the toxin can also be ...

Precise, deniable and, in Russia’s case, grimly familiar. Poison has become less a medieval cliché than a geopolitical signature flourish in recent years. Accusations of Russian poisoning surfaced ...

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 ...