China warns massive $11.1 billion U.S. weapons sale to Taiwan could spark war, calling the island a 'powder keg' amid rising tensions.

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Russia’s hypersonic missiles were supposed to change warfare forever. Now the United States has answered back. America has officially unveiled Dark Eagle, a long-range hypersonic weapon capable of striking targets thousands of miles away in minutes.

WASHINGTON, Nov 7 (Reuters) - U.S. Secretary of Defense Pete Hegseth unveiled sweeping changes on Friday to how the Pentagon purchases weapons, allowing the military to more rapidly acquire technology amid growing global threats. Hegseth addressed industry ...

A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) In what would be a major shift in a decades-old American policy against global nuclear proliferation, President Trump says he has directed the Pentagon ...

Energy Secretary Chris Wright said the testing ordered up in a surprise announcement by President Trump last week would focus on “the other parts” of nuclear weaponry. By Zolan Kanno-Youngs The nuclear testing ordered by President Trump will not ...

Lockheed Martin said on Wednesday it has opened a hypersonics system integration lab at its Huntsville campus as it pushes to develop next-generation weapons.

Experts warn that resumption of full nuclear weapons tests is unnecessary and would undermine the United States' efforts to discourage other nations from testing their own nukes. (Tech. Sgt. Draeke Layman/Space Force) Resuming full testing of nuclear ...