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 ...

In the joint statement, Britain, France, Germany, Sweden and the Netherlands said analyses of samples from Navalny's body confirmed the presence of epibatidine, a toxin found in poison dart frogs in ...

There is no innocent explanation for the toxin being found in samples taken from Navalny's body, Foreign Office says.

The modern poison has become less a medieval cliché than a geopolitical signature flourish. Precise, deniable, and in Russia’s case, grimly familiar. Accusations of Russian poisoning surfaced again ...

Add Yahoo as a preferred source to see more of our stories on Google. This extremely toxic, nicotine-like compound originates from the Epipedobates genus of poison dart frogs, found exclusively in ...

Britain and its allies said only Russia would have the ‘means, motive and disregard’ to launch such an attack – as his widow calls for Putin to be held accountable ...

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 ...

Five European nations, including the UK, France, and Germany, have accused Russia of using a toxin from poison dart frogs to kill Kremlin critic Alexei Navalny. The countries allege that Navalny was ...