The actions of AI large language models are concerning—but broadly similar to human decision-makers, who have used nuclear saber-rattling for the same ends throughout history.

If Barack Obama’s comments about aliens were speculative, Apollo 14 astronaut Edgar Mitchell had a lifetime’s cosmic ...

Operation Shakti was remembered for the explosions, but it succeeded first as a logistics-and-deception operation run under tight civil-military control in the Rajasthan desert ...

U.S. President Donald Trump said Friday he’s “not happy” with the latest talks over Iran’s nuclear program but indicated he ...

WASHINGTON (AP) — Election-year legislation to impose strict new proof-of-citizenship requirements on voting appears stalled ...

WASHINGTON (AP) — President Donald Trump said Friday that the U.S. is in talks with Havana and raised the possibility of a “friendly takeover of Cuba” without offering any details on what he meant.

The shake-up in the flight lineup and push for a faster pace came just two days after NASA’s new moon rocket returned to its hangar for more repairs and a safety panel warned the space agency to scale ...

The U.S. military used a laser Thursday to shoot down a Customs and Border Protection drone, according to members of Congress, and the Federal Aviation Administration responded by closing more ...