Some experts are worried about the cost and timeline of U.S. President Donald Trump's proposed "Golden Dome" missile defence system, which Canada has expressed interest in joining. They also say it ...

The White House’s $175-billion plan to protect the U.S. from nuclear annihilation will probably cost much more—and deliver ...

Trump's promises face skepticism from experts and would require big military trade-offs, including possible troop reductions in the Army.

U.S. President Donald Trump's Golden Dome missile defense concept revives a controversial, decades-old initiative whose ...

The concept behind the missile defence system was that it would provide a way of effectively making nuclear weapons obsolete.

President Trump's missile defense project, called the "Golden Dome for America," aims to protect the U.S. from foreign ...

Scientists suggest the missile defense plan will face big hurdles, especially given its projected timeline and cost.

Secretary of Defense Pete Hegseth led a Wednesday morning Christian prayer session at the Pentagon’s auditorium. During the ...

President Donald Trump has announced the concept he wants for his future Golden Dome missile defense program -- a ...

The physics challenges of using spacecraft to track moving targets on the ground or in the air are daunting, requiring enormous power generation and aperture size to achieve similar signal-to-noise ...

Next steps on the bill are highly uncertain, and the upbeat tone from House leadership stood at odds with the unwieldy scene ...