It was scuttled because of politics, not technological know-how or cost.

President Donald Trump’s plans to build a space-based Golden Dome missile defense shield have drawn immediate criticism from China, which has framed ...

Aside from the U.S. Air Force’s anti-satellite (ASAT) missile test in 1985 and the abandoned Star Wars program, treaties like the Limited Test Ban Treaty (1963), the Outer Space Treaty (1967), and ...