BURLINGTON, Vt. (AP) — A retirement community resident made ricin and tested the deadly toxin on her neighbors by putting it on their food or in beverages over a period of weeks, investigators said.

(Reuters) - A U.S. Navy veteran from Utah was charged on Friday with threatening President Donald Trump, Defense Secretary James Mattis, the FBI director and an admiral by mailing them letters ...

Ricinus communis, a perennial flowering plant native to East Africa and India, appears innocuous at first glance. The wide-leafed plant’s two-meter stalk bears a large seed, deceptively known as a ...

Gianni and Alice Di Vita were interviewed again by investigators from the Campobasso Flying Squad as part of the investigation into the deaths from ricin poisoning.

About one million tons of castor beans are processed every year, worldwide. Ricin is part of the waste from the beans when castor oil is made. Sometimes this is called “mash.” Less than a pinpoint can ...

A white supremacist charged with possession of a biological weapon was stopped last January by a sheriff's deputy in Fannin County with a bag of “very dangerous and poisonous” seeds in his car. But ...

WASHINGTON - JANUARY 12: U.S. Sen. Roger Wicker (R-MS) (R) speaks as Senate Minority Leader Sen. Mitch McConnell (R-KY) (L) listens during a news conference on Capitol Hill January 12, 2010 in ...

Ricin is back in the news with reports that envelopes suspected of containing the poison were sent to the White House and top defense officials. A preliminary analysis showed the substance was castor ...

Ricin is one of the most feared bioweapons in the world due to its extreme toxicity and easy access. Since no antidote exists, it is of paramount importance to identify the pathways underlying ricin ...

Researchers have discovered a means of immunizing cells against the biological weapon ricin, which, they report, is only lethal when combined with sugar. Researchers at the Austrian Academy of ...

Follow this author to personalize your feed and get instant alerts. WHY FOLLOW? Update your preferences in Account Settings WASHINGTON - JANUARY 12: U.S. Sen. Roger Wicker (R-MS) (R) speaks as Senate ...