The United States is estimated to have spent more than $400 billion on the kinds of antimissile goals that the president now ...

Bulletin issues 'warning to all world leaders' that cites 'nuclear risk, climate change' and misuse of technologies, ...

President Donald Trump ordered the construction of a new missile defense system covering the United States, the latest move ...

Donald Trump said a new deal with Iran would be "nice," but the country's foreign minister said it was "obviously not enough" ...

Nicole Grajewski is a Fellow in the Nuclear Policy Program at the Carnegie Endowment for International Peace and an Associate ...

Such defense systems are extremely costly” with “their effectiveness often being questionable,” one expert said.

An executive order said the United States faced a “catastrophic threat” from advanced aerial weapons. But a defense system ...

Iran acquiring Russian Su-35 fighter jets would mark a major upgrade of its air force without changing the regional balance of power, analysts believe. A senior Iranian military official told state ...

Seventy-eight years ago, scientists created a unique sort of timepiece — named the Doomsday Clock — as a symbolic attempt to ...

President Donald Trump issued an executive order to accelerate and explore new approaches for defending the United States ...

As the world became more dangerous in 2024, the use of its most dangerous weapons has become more likely. More From Our ...

Humanity has grown closer to global disaster in the past year, with the Doomsday Clock moving to 89 seconds to midnight.