Some experts are worried about the cost and timeline of U.S. President Donald Trump's proposed "Golden Dome" missile defence ...

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

The Conversation U.S. asked Iain Boyd, an aerospace engineer and director of the Center for National Security Initiatives at ...

JPMorgan Chase Chief Executive Jamie Dimon said on Thursday U.S. President Donald Trump's massive tax and spending bill could ...

Canadian Prime Minister Mark Carney says his government is talking to the U.S. about joining President Donald Trump’s future ...

The U.S. needs a stronger missile-defense system, but it won’t be easy and it will be expensive.

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

Our margin of safety has badly eroded in the face of Chinese and Russian weapons advances — but Trump’s $25 billion down ...

After watching President Trump announce plans for a $175 billion “Golden Dome” missile-defense system, I took the liberty of preparing him a speech.

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

An interview with Joe Cirincione, a longtime national security and nuclear policy analyst, about the Trump administration's ...