However, he denied that Tehran was in talks with Washington, despite claims by Trump to the contrary.

Ukraine is dealing with a lack of air defence supplies, leaving the country vulnerable to Russia's ballistic missile attacks.

The US president declared on Monday that Tehran was on its "last chance" when it comes to negotiations on opening the Strait of Hormuz.

Iran says it has reached an agreement with Oman on a route for shipping through the Strait of Hormuz.

A proposed deal between Iran and Oman to help end five months of war between the Islamic Republic and the United States would give Tehran control over ships entering the Gulf through the Strait of Hor...

Moderna began the first human trial of a vaccine against the Bundibugyo strain of Ebola.

Cyberattacks on U.S. water systems that officials suspect may be linked to Iran-backed hackers have been reported in at least a dozen states, sources familiar with the matter told CBS News.

Federal and state officials are racing to address an assault on the nation’s water supply that they believe is the work of Iranian hackers.

Feds investigate cyberattacks that hit 30 water systems in Minnesota and nine in Michigan.