A Novichok nerve agent was used to poison the former Russian double agent Sergey Skripal in the English town of Salisbury in 2018, making the weapon a household name.

British Prime Minister Theresa May threatens retaliation against Russia over ex-spy poisoning 01:56. LONDON-- The use of Russian-developed chemical nerve agent Novichok to poison ex-spy Sergei ...

The military-grade nerve agent that investigators believe was used to poison a former Russian spy and his adult daughter was identified as Novichok, a hard-to-detect Soviet-engineered killer that ...

Several Novichok variants are far more toxic and powerful than the deadly VX nerve agent, which was believed to have been used by the North Korean government in 2017 to kill the half-brother of ...

"Novichok agents are reported to produce more permanent injury" than more common nerve agents, the British scientists wrote in 2010, "even following appropriate nerve agent antidote treatment." ...

Novichok, a deadly nerve agent that has left Russian opposition politician Alexei Navalny in a coma and nearly killed a former Russian spy and his daughter in 2018, was the product of a highly secr… ...

Emergency workers in protective suits search around John Baker House Sanctuary Supported Living after a man and woman were exposed to the Novichok nerve agent on July 6, 2018 in Salisbury, England.

Novichok is not made up for Carry-On, with the nerve agent actually being a real thing.Novichok is a family of nerve agents ...

A Russian biochemist who developed the notorious Soviet-era nerve agent Novichok has announced his latest invention — a far more benevolent medicine to fight COVID-19, according to reports.

Wider cordons have been set up around a town in England, along with barriers protecting hazardous material tents, after a couple was believed to have been poisoned.

NPR's Mary Louise Kelly talks to environmental toxicology professor Alastair Hay about the nerve agent that poisoned two people, four months after it poisoned a former Russian spy and his daughter.