Ukrainian troops have launched an attack against a Russian border region with six US long-range missiles, Moscow has said. It ...

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He added that Washington has not seen any reason “to adjust our own nuclear posture, but we will continue to call on Russia ...

President Joe Biden may just have made his riskiest wager yet in the years-long Russia-Ukraine war — while incoming President ...

VIENNA — Iran has defied international demands to rein in its nuclear program and has increased its stockpile ... Donald ...

Better known as Russia's nuclear doctrine, the revamped version that was signed by President Vladimir Putin spells out the ...

The vast computational power of the El Capitan supercomputer at Lawrence Livermore National Laboratory in California will be ...

Frontier, the barrier-breaking supercomputer hosted at Oak Ridge National Laboratory, is no longer the fastest in the world.

In Knesset address, the Israeli prime minister also airs his disagreements with Biden over Israel’s war against Hamas, ...

Russian President Vladimir Putin on Tuesday lowered the threshold for a nuclear strike in response to a broader range of ...

A New Hampshire company is working to develop a fleet of autonomous helicopters that it hopes can be used to put out fires, ...