Touting new weapons tests, Moscow signals to Washington that it must contend with the Kremlin’s power and negotiate.

The Kremlin’s constant nuclear boasts may have finally struck a chord in the White House, with President Donald Trump ordering the resumption of US nuclear weapons tests.

Origin Robotics has products in Ukraine and is building with defending NATO in mind. It says Ukraine shows that simpler weapons are sometimes needed.

The two leaders reached an agreement on fentanyl, some tariffs and rare earths, at least for a year. But even as the global trade picture cleared a little, Mr. Trump spurred new worries about nuclear proliferation.

In the war-torn region of Donetsk, Ukrainian soldiers recently brought down a rare and unusual Russian drone. A Strange Drone Over Donetsk The incident took place near the town of Kostiantynivka, where fighting between the two sides continues almost every day.

The US could run out of munitions quickly in a war with a peer adversary like China. Some companies are racing fast to fix that.

A new film illustrates the need for public engagement and outcry about the continued threat of nuclear weapons, the Bulletin of the Atomic Scientists’ former Gov. Jerry