Authorities in Puerto Rico say that drug trafficking was behind a mass shooting over the weekend outside a bar that killed two people and injured 13 others

Puerto Rico's government says it will decentralize its Education Department to better serve students

A suspect has now been detained in the deaths of Franco Medina Angulo, 29, and Sergio Palomino Ruiz, 28.

ABC News' Ginger Zee takes a look at a project working to replace trees in Puerto Rico to help the community recover from past hurricanes and be more resilient for the next storm.

Puerto Rico is home to plants that contribute to nearly 20% of the United States' pharma exports -- a result of decades-old federal tax incentives that brought manufacturing to the island in droves.

Already a water insecure island, Puerto Rico is sharing what’s left with big business, and the effects of climate change are only exacerbating the effects. This is how water supplies have suffered.

Puerto Rico is home to plants that contribute to nearly 20% of the United States' pharma exports -- a result of decades-old federal tax incentives that brought manufacturing to the island in droves.

The manufacturing industry in Puerto Rico is putting the island's finite water supply at risk, experts told ABC News.

Puerto Ricans are worried about the safety of their drinking water.

Hidden in plain sight in Puerto Rico are signs of a booming industry that has overtaken much of the island for decades.

Two cousins of Puerto Rico’s Gov. Pedro Pierluisi have pleaded guilty for embezzling millions of dollars in federal funds earmarked for the management of public housing on the island

Police in Puerto Rico say three people have died and two others were injured during a shooting

Officials say a federal grand jury in Puerto Rico has indicted six people accused in a $9 million fraudulent scheme involving government pandemic funds

The U.S. Environmental Protection Agency says Puerto Rico and the U.S. Virgin Islands will receive a total of nearly $108 million to improve drinking water infrastructure across the U.S. territories

Police say that a man who was involved in a car accident in Puerto Rico’s capital fled the scene in an ambulance that had arrived to help him

Puerto Rico Gov. Pedro Pierluisi has announced new solar energy initiatives during his annual state of the territory address

“Hamilton” creator Lin-Manuel Miranda will bring his award-winning musical back to Puerto Rico for two weeks of performances in June, including a fundraiser for the Hispanic Federation and education nonprofit, the Flamboyan Foundation

A Pennsylvania woman who went missing more than 30 years ago in a case that stumped authorities who later declared her legally dead has been found living in a nursing home in Puerto Rico

Puerto Rico’s government is closing the U.S. territory’s only zoo following years of suspected negligence, a lack of resources and deaths of animals that were highlighted by activists

Police in Puerto Rico say three people, including a 4-year-old boy, have died after gunmen opened fire at a birthday party

Police say three tourists from the U.S. mainland were stabbed in Puerto Rico after someone told them to stop filming in a renowned seaside community known as La Perla that is popular with visitors

The U.S. Coast Guard called off its search for a man who fell off a 70-foot cliff in Puerto Rico after a dive team recovered his body on Monday, according officials.

Puerto Rico privatized its electricity production on Wednesday

The two-year study aims to help Puerto Rico shift to clean energy.

The territory faces chronic power outages, struggles to rebuild a crumbling grid

Authorities in Puerto Rico say the two were suspected drug traffickers.

U.S. customs officers seized 877 pounds of cocaine concealed on board a Carribean ferry boat

The U.S. House has passed a bill that would allow Puerto Rico to hold the first-ever binding referendum on whether to become a state or gain some sort of independence

Efforts to restructure some $9 billion in debt held by Puerto Rico’s power company have hit a new snag following multiple failed attempts to end its bankruptcy

A heavily criticized private company that operates the transmission and distribution of power in Puerto Rico has secured a last-minute extension on its contract despite widespread objections

He was convicted of masterminding the U.S. territory’s biggest firearms robbery.

Federal marine agents with U.S. Customs and Border Protection were shot after they approached a suspected smuggling boat.

President Joe Biden has already announced $2 billion in funds to help the island rebuild.

President Joe Biden visited Puerto Rico on Monday and surveyed damage from Hurricane Fiona, which killed more than two dozen people on the island last month, officials said.

Hurricane Fiona has caused immense damage to Puerto Rico and the Dominican Republic. These are groups offering help.

Days after Hurricane Fiona, electricity had not been restored for most customers in Puerto Rico.

Hurricane Fiona strengthened to a Category 4 storm on Wednesday, after killing at least four people in Puerto Rico and leaving the entire island without power.

After devastating Puerto Rico with high winds and heavy rain, Fiona is now barreling toward Turks and Caicos.

Anne Bink, associate administrator for FEMA, joins to talk about FEMA’s plan for helping Puerto Rico in the wake of the catastrophic Hurricane Fiona.

Multiple organizations are already on the ground providing aid and asking for donations to help those impacted by Hurricane Fiona.

The governor of Puerto Rico describes the damage from Hurricane Fiona as "catastrophic" as the island gets hit with torrential rain.

Footage shows the destruction of a bridge in the mountain town of Utuado that police said was installed by the National Guard after Hurricane Maria hit in 2017.

The locals know the drill and are now bracing for blackouts. Thousands are already without power due to the incoming storm.

The island is bracing for potential flooding amid concerns the storm could damage its power grid which is still recovering from Hurricane Maria.

Over 30 people were rescued.

The vessel, which was "suspected of taking part in an illegal voyage," overturned shortly before noon local time Thursday, the U.S. Coast Guard said in a statement.

A fire at a major power plant on Puerto Rico left 1.5 million without electricity.

A fire at one of the island’s four main power plants on Wednesday caused the disruption.

Gov. Pedro Pierluisi has promised a pay raise for teachers.

A program is in place to restructure a huge chunk of its debt.