The President of Colombia, Juan Manuel Santos, has used his Nobel Peace Prize acceptance speech to call for the world to "rethink" the war on drugs. He said the zero-tolerance policy might be "even more harmful" than all the other wars being fought worldwide. Mr Santos's government and the country's biggest rebel group, the Farc, signed a peace deal last month.

A plane transporting a Brazilian football team to Medellin's international airport in Colombia crashed overnight, officials have confirmed.

President Santos won the Nobel Peace Prize – but Colombia rejected his peace deal.

Colombian voters narrowly rejected a historic peace agreement between the government and the country’s largest rebel group Sunday, raising the potential that the longest armed conflict in the Western Hemisphere might resume.

Colombia's government and left-wing Farc rebels sign an agreement that formally brings an end to 52 years of civil war.

Security forces in Colombia have carried out a huge operation to destroy 104 cocaine production laboratories in the south-eastern jungle. Officials say the raids are part of a new strategy to target producers and traffickers rather than poor farmers who grow the coca plant. The raids took place where Farc rebels have been operating. Their leaders have denied involvement in the drug trade. Police said the labs could produce around 100 tons of cocaine a year.

Colombia's high court legalized same-sex marriage, giving couples the same rights as their heterosexual counterparts. The ruling by the Colombian Constitutional Court on Thursday makes Colombia the fourth country in Latin America to extend rights to same-sex couples, joining Argentina, Brazil and Uruguay. Same-sex couples in Colombia were already allowed to form civil partnerships, but were required to prove they were in a long-term relationship to obtain legal benefits.

Raphael Mechoulam has been deciphering the secrets of marijuana for over 50 years. By Juan Camilo Maldonado Tovar.

Remains of at least 100 dismembered prisoners and visitors have been found in drain pipes at a jail in Colombia’s capital that houses drug traffickers, Marxist rebels and paramilitaries, investigators said on Wednesday. Body parts were found at La Modelo jail in Bogota, one of the Andean nation’s biggest penitentiaries, as well as in jails in the cities of Popayan, Bucaramanga and Barranquilla, said Caterina Heyck, an investigator at the attorney general’s office.

This year's El Nino weather phenomenon is claiming an unexpected casualty in Colombia: Christmas lights. An exceptionally strong El Nino has created a severe drought that officials fear will empty reservoirs that are used to generate a good part of the South American country's electricity.

The wreck of the San Jose, a treasure-laden Spanish galleon sunk by the British 300 years ago, has been found off the Colombian city of Cartagena, President Juan Manuel Santos announces.

Yarumal in Colombia is famous for having thousands of cases of Alzheimer’s disease – now the origin has been traced to a single Spanish conquistador in the early 17th century

Colombia’s government plans to legalize the cultivation and sale of marijuana for medicinal and scientific purposes, officials said Thursday in a surprise shift by the longtime U.S. ally in the war on drugs. The change is coming in an executive decree that President Juan Manuel Santos will soon sign into law. It will regulate regulating everything from licensing for growers to the eventual export of products made from marijuana, Justice Minister Yesid Reyes said.

Pablo Escobar was a notorious Colombian drug lord who died in 1993 at the height of his smuggling days. He supplied about 80% of the cocaine smuggled into the US. Escobar was known as “The King of Cocaine”, he was the wealthiest criminal in history, with an estimated net worth of US$30 billion. Obviously due to the nature of his business he was unable to use the banking system, hence he would bury his money underground in different locations in Colombia.

The night of the car bomb, my dad called home from his cell phone as he finished his rounds of the family’s bakeries. It was a nightly ritual, braving rush hour in his little silver Mazda to collect the day’s cash from each location. In early ‘90s Colombia, cash did not sit in registers a minute longer than it had to. "Almost done here," he told my mom. "I'm stopping by the store at Imbanaco next, and then heading home. If you want any food...

At the peak of his power, infamous Medellín cartel boss Pablo Escobar brought in an estimated $420 million a week in revenue, easily making him one of the wealthiest drug lords in history. Escobar, known as the "king of cocaine," saw his wealth grow so immense that he stashed piles of cash in Colombian farming fields, dilapidated warehouses, and in the walls of cartel members' homes, according to Roberto Escobar...

Pablo Escobar's son Sebastian Marroquin has described his extraordinary childhood - including details of his father's sprawling estate in the Colombian countryside.

Colombia’s most infamous drug lord has become a tourist attraction. Jesse Katz takes us on a trip to Pablo-land.

In Bogota, Colombia, there's a new clothing line popular among the rich and famous. It's not haute couture -- it's bullet-proof. Here's how it works.

A five-star General's specious narrative about the program’s success ignores the crimes and impunity of the Colombian military, and lets the U.S. off the hook for fostering systemic human rights violations. By Steven Cohen.