Puerto Rico will hold its Democratic presidential primary on Sunday and 55 delegates are up for grabs

Six years after a storm left most of the island without power, and ruined the land, some Boricuas have taken recovery efforts into their own hands with special projects.

ABC News’ Stephanie Ramos reports on Puerto Ricans still working on recovery in the wake of Hurricane Maria’s 2017 landfall that left a majority of the island without power.

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.

Tropical Storm Bret, which is churning in the Atlantic, is forecast to strengthen and move into the Caribbean by early Friday.

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.

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.

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

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.

Puerto Rico is the most vaccinated place in America. Their strategy consisted of mass messaging, vaccination site accessibility and combatting misinformation.

Protests against energy provider LUMA Energy occurred in Puerto Rico as energy costs continue to rise despite poor service and an unstable aging power grid.

ABC News’ Victor Oquendo reports on the Puerto Rico electricity crisis, as residents protest ongoing blackouts that have occurred since Hurricane Maria hit four years ago.

Puerto Rico’s electric system is worst in the US, experts say. How did it turn so chaotic?

Rob Marciano has the latest developments on a new tropical storm that formed overnight near Puerto Rico and is expected to move toward the Florida Keys in the coming days.

Roughly 1.5 million Puerto Ricans rely on Medicaid for health care.

Residents have reported an increase in the number of power outages after LUMA, a power company, took over the island's electric grid in June.

Amid power failures and hurricane season, Puerto Ricans are concerned about the stability of the electric grid run by LUMA Energy.

The energy company that powers Puerto Rico's grid said it expects all customers to have their power restored by Friday evening.

As gender-based killings continue to grab headlines in Puerto Rico, victims' families are concerned about the government's commitment to handling the ongoing crisis.

Protests have broken out after the alleged murder of pregnant 27-year-old Keishla Rodriguez

Authorities say Keishla Rodríguez died at the hands of her boyfriend, Félix Verdejo.

Organizations in Puerto Rico have been demanding the government take action to end gender violence.

The arrest of a professional boxer for murder has renewed efforts to combat gender-based violence in Puerto Rico.

Puerto Rico's future has been a question in the U.S. territory for many years. Here's what to know.

As Puerto Ricans strive to change the island’s territorial status with the U.S., opinions vary as to what that change should be.