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

Deceased Kremlin critic Alexei Navalny was killed by a lethal toxin produced from poison ‌dart frogs ⁠in South America, ...

The latest news and information from Costa Rica including breaking news, weather, travel, events, sports and more.

On Saturday, five European governments said lab work on deceased Russian dissident Alexei Navalny's remains detected ...

The UK government has previously laid the blame at Russia’s door for the assassination attempt on former spy Sergei Skripal and his daughter, Yulia, in Salisbury in March 2018, using the Novichok ...

Frogs are descendants of some of the first vertebrates to leave the water, and their survival story stretches back hundreds of millions of years. Built around explosive jumps, stealth, and a ...

A tiny blue lobster combines rarity with unusually small size. Blue coloration is caused by a genetic mutation affecting pigment production. The miniature size makes it even more remarkable.

West Bengal chief secretary Nandini Chakraborty has sent a compliance letter in response to the Election Commission’s ...

US Secretary of State Marco Rubio stated that Washington has no basis to challenge assessments made by several European governments regarding the alleged poisoning of Russian opposition leader Alexey ...

UK, Sweden, France, Germany and Netherlands say they're "confident" Russia poisoned Alexei Navalny with a lethal toxin from ...

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

Britain, France, Germany, Sweden and the Netherlands claim Russia had the ‘means, motive and opportunity’ to kill its ...