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 Kremlin denied Monday that it fatally poisoned the late Russian opposition leader Alexei Navalny in 2024, after five ...

Alexei Navalny died in February 2024 after he was transferred to a high-security penal colony above the Arctic Circle in Russia.

Species such as the brightly coloured Anthony’s poison arrow frog and the Phantasmal poison frog secrete this substance onto their skin. Researchers theorise that the frogs acquire the toxin through ...

There is no innocent explanation for the presence of the toxin detected after Navalny's death, European allies say, noting ...

Russian opposition leader Alexei Navalny was killed using a deadly toxin found in poison dart frogs in South America, the UK ...

The Russian government, which has repeatedly denied any responsibility for Navalny’s death, dismissed the latest allegations ...

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

If not for a pair of Smithsonian scientists, the fingernail-size frog from Brazil would have likely gone extinct without ever being described Jack Tamisiea Museum scientists collected this frog ...

In nature, size is often misleading. Some of the most powerful defences on Earth belong not to large predators, but to creatures small enough to disappear into leaf litter. In tropical rainforests, ...

Discover how to handle a poison dart frog. GOP members face backlash after defying Trump Winter weather warning as 40 inches of snow to hit—travel "impossible" Jimmy Kimmel to deliver Channel 4's ...