North Korea’s pledge to halt nukes holds new promise — and peril

Pyongyang says it will halt its nuke tests but will it give up its bombs? Even leading champions of diplomacy aren’t so sure.

Pentagon: U.S. strike on Syria achieved its limited objectives

Friday night’s missile attacks destroyed three chemical weapons sites without triggering Russian reprisals, military officials said.

Senators crafting new guidelines for Trump’s war powers

Congress would win some checks on the president’s authority under a bipartisan Senate plan.

A final message from the last man on the Moon

‘Now is the time for America to … regain our leadership in space and lead the free world on the next giant leap for mankind,’ Astronaut Eugene Cernan wrote before he died last year.