Days after European leaders accused Russia of ‘poisoning’ opposition leader Alexei Navalny in prison using a ‘rare toxin’, South American dart frog experts on Monday reportedly said that the ...

Two years after Russian opposition leader Alexei Navalny died in prison, five European countries claim they have identified the substance that killed him: epibatidine, an extremely lethal toxin ...

QUITO, Ecuador — South American dart frog experts said Monday that the toxin alleged to have killed Russian dissident Alexei Navalny was likely a lab-produced replica rather than harvested directly ...

Madeleine Finlay sits down with science editor Ian Sample and science correspondent Nicola Davis to discuss three eye-catching stories, including the impact of a powerful psychedelic on depression, ...

The investigative minds at How to Survive look at the powerful chemicals on a tiny frog's skin that can stop a predator's heart almost instantly. JPMorgan concedes it closed Trump's accounts after Jan ...

MOSCOW, Feb 18 (Reuters) - Russia is demanding that European countries who accused Moscow of poisoning Kremlin critic Alexei Navalny with a dart frog toxin provide concrete data to support their ...

A mother and her two sons are recovering after they were hit by an out-of-control SUV. Jurors heard testimony on the first day of the trial for the father of the teenage suspect in a school shooting ...

To show that the Wiregrass isn't done with winter cold yet, Meteorologist Zack Webster displays the freezing record lows throughout February and March. Some of Genesis Reid's neighbors reported she ...

SAN DIEGO (FOX 5/KUSI) — A new immersive exhibit highlighting one of California’s most endangered amphibians is hopping into Birch Aquarium at Scripps Institution of Oceanography next month. Aquarium ...

Iran is continuing to strike U.S. allies in the region. A terminally ill man's final request was to say goodbye to his beloved dogs and make sure they end up in a loving home. Authorities say three ...