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 ...

They shine in vibrant red, rich blue, or bright green–and with spots, stripes, or patches, they resemble small works of art by nature. But what appears so striking holds a surprising detail: The ...

By Shanna Hanbury Scientists in Brazil described a new-to-science species of poison dart frog last year. It was first found ...

Add Yahoo as a preferred source to see more of our stories on Google. Tributes to late Kremlin critic Alexei Navalny are left outside the Russian Embassy, on the second anniversary of his death and ...

Epibatidine, which can be secreted by Anthony's poison arrow frog onto its skin, was blamed for Alexei Navalny's death by five European nations Russian opposition leader Alexei Navalny was killed ...

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 ...

Speaking on Sunday Morning with Trevor Phillips, Andrey Kelin claimed there are 'six places' in London where a synthetic ...

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 ...

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 ...

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 ...