Rivian’s highly anticipated midsize SUV finally gets trims, pricing, range numbers, and specs.

At the end of December, the person manning the digital boards at PSE, Poland's national electricity operator, noticed a flurry of solar stations suddenly flicker off grid. Poland in the dead of ...

Scientists suggest female frogs listen for changes in the male calls as a signal for when it's warm enough to mate.

The most notorious poison associated with dart frogs is batrachotoxin. In a shocking twist, the mysterious poisoning of Alexei Navalny has been linked to a toxin so potent it's used by indigenous ...

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 ...

Precise, deniable and, in Russia’s case, grimly familiar. Poison has become less a medieval cliché than a geopolitical signature flourish in recent years. Accusations of Russian poisoning surfaced ...

Epibatidine is about 100 times more potent than morphine, and derived from frogs native to South America Russia killed Alexei Navalny with frog toxin, UK and four European allies say Epibatidine, the ...

Russian opposition leader Alexei Navalny died in prison in Russia after being poisoned with a deadly toxin found in the skin of Ecuadorian dart frogs, the UK and other allies have revealed. The ...

Epibatidine, the highly potent toxin Britain has linked to the death of Alexei Navalny, is reportedly 100 times more powerful than morphine. This extremely toxic, nicotine-like compound originates ...

The toxin was found in the body of the Russian dissident Aleksei A. Navalny, who died in prison two years ago, five governments said, challenging Russia’s official account. By Anton Troianovski ...

Russian opposition leader Alexei Navalny died after being poisoned with a rare "dart frog toxin," the United Kingdom's Foreign Office said in a statement released Feb. 14. The announcement comes two ...