The cast of the original “Star Trek” television series is the classic example of science fiction’s myopia. A mostly male, mostly white crew on an interstellar exploration vessel seems to assume that American society as it was in the 1960s could go on forever. But as an insight into the time that produced it, the

CHAGUARAMAS, Trinidad and Tobago — She slipped out of the house around dusk, without telling her mother. Sixteen and hungry, she followed the men who had promised her work and food. Instead, they smuggled her out of Venezuela by sea, secretly planning to force her into a Trinidad brothel. Put in a fishing boat, the

A former governor of Rio de Janeiro has made startling new allegations about the extent of a $2 million scheme to bribe sports officials in what became a successful effort to bring the Olympics to South America for the first time. The ex-governor, Sergio Cabral, who is serving a 200-year prison sentence for fraud and

CARACAS — A Venezuelan Navy captain accused by the government of plotting a rebellion has died in custody a week after his arrest, underlining President Nicolás Maduro’s increasingly ferocious repression campaign amid a spiraling economic crisis. The captain, Rafael Acosta, is the first of more than 100 active and retired Venezuelan officers jailed by the

NENTÓN, Guatemala — The Aguilar family had been preparing since February to migrate north. They borrowed $2,600, made a down payment to a smuggler and set off from their home in northern Guatemala last week. But at Guatemala’s border with Mexico, their smuggler had some bad news: Crossing into Mexico was too risky. A June

President Trump’s choice for United Nations ambassador said Wednesday that Saudi Arabia must be held accountable for rights abuses and that humans have contributed to climate change, posing “real risks to our planet.” The positions expressed by the nominee, Kelly Knight Craft, currently the ambassador to Canada, suggested she differed with Mr. Trump on two

MEXICO CITY — Thousands of Mexican National Guard members and other security forces are being deployed to the nation’s southern border with Guatemala this weekend, as the Mexican government seeks to make good on a deal struck with President Trump to reduce illegal migration. The mobilization, which government officials say is a cornerstone of the

TAPACHULA, Mexico — They arrived at dusk, dressed for combat, pouring from government vehicles. A phalanx of military and police personnel swarmed a small hotel in the center of Tapachula, this scrappy city near Mexico’s border with Guatemala. Their target: undocumented migrants. Agents rushed door to door, hauling people away, while migrants shouted or ran

WINNIPEG — In the 24 hours before the disappearance of Tina Fontaine, a 15-year-old from the Sagkeeng First Nation in Canada, she was seen by provincial child welfare workers, police officers and health care professionals. Then she was found dead, dumped in Manitoba’s Red River, and wrapped in a plastic bag and duvet weighed down