If the incoming administration abandons Kyiv, Russia's ambitions will explode and nuclear weapons will proliferate.

A Norwegian man working as a security guard for the US Embassy in Oslo was arrested this week on allegations of spying for ...

Pyongyang has long coveted an advanced air-defense system to guard against missiles and war planes from the United States and ...

Russia on Thursday fired an experimental missile at Ukraine in a clear warning of its capabilities, officials from Western ...

The department's report states that US needs integration of non-nuclear capabilities, where feasible, to support nuclear ...

Russia’s use of a nuclear-capable ballistic missile marks a decisive, and potentially dangerous moment in Moscow’s conflict ...

The United States believes that Russia fired a never-before-fielded intermediate-range ballistic missile on Thursday in its ...

President Vladimir Putin's spy chief warned the West on Wednesday that it risked disastrous consequences if the United States ...

Ukraine’s top diplomat warned that the United States cannot afford to look weak in the face of increased threats from the ...

A new warning urges defense companies to increase security and to be on the lookout for surveillance and signs of trespassing ...

Russia and China oppose changing the Kenya-led multinational force in Haiti into a U.N. peacekeeping mission. UNITED NATIONS ...

Russian President Vladimir Putin said on Thursday that Russia fired a new, non-nuclear intermediate-range ballistic missile ...