The United States wants a reactor on the moon by 2030. A Russian-Chinese alliance is working on one for 2036. Some leading scientists say the danger is great.

The matter threatened to revive tensions over the American military presence on the Japanese archipelago.

It was unclear what background checks had been carried out before he was allowed to fly to Israel.

The bridges, used by many commuters in the Ukrainian capital, are the latest target in a broad Russian bombing campaign against infrastructure.

The violent midair assault on a FlyDubai flight to Tel Aviv has deepened concerns about the safety of Israelis traveling abroad.

The Parti Québécois has vowed to hold a referendum on independence, three decades after Quebec voted “no.” Voters want change, but maybe not that much.

Drawn by money and status, teenagers in Arizona are buying, stealing and selling weapons destined for criminal groups in Mexico.

The program would grant citizenship to people who make major investments in Argentina. Similar efforts have yielded significant income for small economies, but have also led to risks.

Joshua Kerry, a 28-year-old British man accused of killing the former lawmaker Ann Widdecombe, was charged on Friday.

The country was shaken after nearly 30 people were killed in two separate mass shootings. South Africans are demanding greater government intervention.