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Venezuela's deepening chaos could soon create tremors in the global oil markets.

UN Secretary General Ban Ki-moon has ordered an independent investigation into a raid on a compound in Juba, South Sudan, in which one person was killed and others were raped and beaten by uniformed men. The investigation will also look into allegations that nearby UN personnel failed to come to their rescue.

CNN's Nick Paton Walsh sees firsthand what Rio's homicide detectives have to deal with when trying to solve murders in this Olympic city.

She's the South African athlete who has been at the center of fierce controversy over whether she should be allowed to compete in women's races.

Uber has launched a legal battle against new rules requiring London taxi drivers to learn English.

Australia will close its controversial offshore detention center for migrants on Manus Island, the Papua New Guinea government said Wednesday.

A son of Mexican drug lord Joaquin "El Chapo" Guzman was kidnapped from a restaurant in Puerto Vallarta, Mexico, Jalisco Attorney General Eduardo Almaguer said at a news conference Tuesday.

Philippines President Rodrigo Duterte has another list of officials he says are connected to the drug trade, the national police chief said.

Put simply, Indonesia is massive.

Chinese swimmer Fu Yuanhui said she lost after getting her period.

A small fishing boat bobbing in the Mozambique Channel might look like a vulnerable site -- especially when compared to what lies beneath it. But lurking below the whale shark -- the largest fish in the world -- is no threat to these fishermen; nor they to it. In fact, these locals might just be the key to saving this majestic creature.

A Malaysian oil tanker that went missing has been located near the Indonesian island of Batam, authorities said Wednesday.

ISIS is on the brink of being kicked out of the coastal Libyan city of Sirte -- the extremist group's most significant stronghold outside Syria and Iraq.

The subterranean world beneath London has many secrets -- hidden railways, ghostly abandoned stations, government war rooms.

A former gymnast is giving free ballet lessons to young girls in Rio de Janeiro. The classes give the girls a place of refuge in their violent favela.

Simone Biles has won the hearts of Americans with her routines jam-packed with difficulty, winning gold medals in the team final, all-around and vault, while earning bronze on beam despite a fall.

"You are watching this video because I have either been arrested or have been abducted." With those words, Zimbabwean pastor Evan Mawarire announced his own arrest by the government of Robert Mugabe.

Turkey has held meetings with officials from both Sweden and Austria after a diplomatic row over child sexual abuse laws.

At least 19 people were killed and others injured in airstrikes Tuesday on rebel-held areas of Aleppo, Syria, according to the UK-based Syrian Observatory of Human Rights and civil defense volunteers known as the White Helmets.

Angola and the Democratic Republic of Congo began an emergency vaccination campaign this week to curtail a yellow fever outbreak that has sickened thousands of people and killed more than 400, the World Health Organization said. The two countries, which together reported more than 6,136 suspected cases and 953 confirmed cases since the outbreak began in December, plan to vaccinate more than 14 million people in more than 8,000 locations.