LAS VEGAS, Nevada (CNN)-- A man who stayed in a Las Vegas hotel room where ricin was found is in critical condition at a hospital, where he has been since mid-February, said a Las Vegas ...

A Canadian woman pleaded guilty on Wednesday to mailing a threatening letter containing the poison ricin to then-US President Donald Trump at the White House, The Associated Press reported.

French Interior Minister Nicolas Sarkozy today said a terrorist threat could lie behind the discovery of traces of the deadly toxin ricin in a Paris railway station, but he had no proof as yet ...

However, until a source is identified and eliminated, health-care providers and public health officials must consider ricin to be a potential public health threat and be vigilant about recognizing ...

As cutting-edge AI-powered chatbots like ChatGPT come online, observers have begun to worry about the implications of content ...

Poisons are often not so clearly labeled. Josefe Photography/iStock via Getty Images PlusPeople have used poisons throughout ...

INSTRUCTIONS on how to make the deadly poison ricin using everyday items are freely available on the internet. Any terrorist with access to a computer can discover the formula and the production ...

German authorities have thwarted a plot by a Tunisian man who created the deadly toxin ricin using castor bean seeds and planned to use the poison in an Islamic extremist attack, federal ...

There have been numerous incidents involving envelopes mailed with ricin to US officials, including Barack Obama (Image: MICHAEL REYNOLDS/EPA-EFE/REX/Shutterstock) A ...

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