The non-partisan Congressional Budget Office's estimate does not include recently discovered cost overruns in the Sentinel ...

The secretive Russian satellite in space that U.S. officials believe is connected to a nuclear anti-satellite weapon program ...

Imangali Tasmagambetov, the secretary-general of the Collective Security Treaty Organization, spoke at a conference this week ...

The Russian satellite Cosmos 2553, believed to be linked to a nuclear anti-satellite weapon program, appears to be ...

The U.S. Air Force 2nd Bomb Wing and 5th Bomb Wing, operators of the nuclear-capable B-52H bombers, recently participated in ...

The U.S. Supreme Court is considering arguments about temporary storage sites for the country's 90,000 tons of nuclear waste.

US allies were alarmed when Trump, following a heated argument with Ukraine President Volodymyr Zelenskyy at the White House, ...

Sen. John Fetterman said the U.S. should ‘provide our comprehensive military support and whatever else Israel requires to ...

Iran's Foreign Minister Abbas Araghchi prepared for fresh nuclear talks with the United States in Oman on Friday after ...

The Cosmos 2553 satellite has had various bouts of what appears to be errant spinning over the past year. Read more at ...

Iran's top diplomat Abbas Araghchi arrived in Oman on Friday ahead of fresh nuclear talks with the United States, after both ...