CASPER, Wyo. (AP) — A Wyoming Department of Health official involved in the state's response to the coronavirus questioned the legitimacy of the pandemic and described a forthcoming vaccine as a...

TAMPA, Fla. (AP) — A Florida man accused of coughing on and spitting at police officers while claiming to be infected with the coronavirus was indicted on a federal terrorism charge.

BERLIN (AP) — A German court on Thursday convicted a 31-year-old Tunisian man of planning to carry out a ricin attack in the name of the Islamic State group.

SACRAMENTO, Calif. (AP) — A California man has been arrested in Tulsa, Oklahoma, on charges of mailing letters containing a white powder and threatening to kill police and government officials,...

NEW YORK (AP) — A research arm of the U.S. military is exploring the possibility of deploying insects to make plants more resilient by altering their genes. Some experts say the work may be seen as a potential biological weapon.

U.S. regulators Friday approved the first treatment for smallpox — a deadly disease that was wiped out four decades ago — in case the virus is used in a terror attack.

Smallpox, which is highly contagious, was eradicated worldwide by 1980 after a huge vaccination campaign.

But people born since then haven't been vaccinated, and small samples of the smallpox virus were saved for research purposes, leaving the possibility it could be used as a biological weapon.

SEOUL, South Korea (AP) — North Korea may have found a new use for its large stockpile of chemical and biological weapons, which are meant to attack South Korean and U.S. troops in case of another war.

UNITED NATIONS (AP) — The "nightmare scenario" is rising for a hacking attack on a nuclear power plant's computer system that causes the uncontrolled release of radiation, the United Nations' deputy chief warned Thursday.

Deputy Secretary-General Jan Eliasson told a Security Council meeting that extremists and "vicious non-state groups" are actively seeking weapons of mass destruction "and these weapons are increasingly accessible."

UNITED NATIONS (AP) — U.N. Secretary-General Ban Ki-moon said Tuesday that technological advances have made it easier for terrorist and criminal groups to obtain materials needed to make weapons of mass destruction, and some are actively trying to obtain nuclear, biological and chemical weapons to target civilians.