Experts are scratching their heads at President Trump’s ambitious, three-year timeline for Golden Dome, a next-generation ...

Elon Musk, after months omnipresent in the White House, was nowhere near the Oval Office on May 20 when Donald Trump ...

The ambitious plan for a new U.S. missile-defense shield needs to navigate technology hurdles and budget questions.

Iain Boyd, University of Colorado Boulder President Donald Trump announced a plan to build a missile defense system, called ...