The United States swiftly condemned Thursday's deadly attack in Barcelona and offered assistance to authorities in Spain.
President Trump's threats against North Korea are a means to "remind the regime" in Pyongyang what is at stake if it starts a war it cannot win, Secretary of State Rex Tillerson said Thursday.
Spain: The Islamic State group quickly claimed responsibility for Europe's latest bout of extremist violence, which left 14 dead and 100 wounded.
An American service member was killed Wednesday and an unspecific number wounded while battling ISIS loyalists in eastern Afghanistan.
Commentary and analysis from an expert: It is time that the alt-right is seen for what it is, not a political movement, but an armed insurgency.
Developers are aiding counterterrorism by helping to limit attacks like the incidents in Europe where vehicles were used as weapons on busy city streets.
Rising tensions between President Trump and North Korean leader Kim Jong Un has Americans looking more and more at nuclear bomb shelters.
A van jumped the sidewalk Thursday in Barcelona's historic Las Ramblas district and plowed into a crowd – killing and injuring several people.
Qatar: The 2022 World Cup has become mired in controversy over allegations of bribery, and it's a cloud that won't dissipate any time soon.