Over the years, Puerto Ricans have in fact been granted three different types of U.S. citizenship, but questions about their rights and equal treatment as citizens still remain.
Low-income residents in Puerto Rico are fighting disposal of toxic coal ash in their communities. They're also campaigning to shift from coal energy – the source of the problem – to solar power.
It's hard to contain a mosquito-borne infection like Zika when the conditions are ideal for it to spread.
Congress just passed a bailout for Puerto Rico – in the nick of time – yet it's not enough to solve the island's biggest challenge: returning to growth.
A journalist turned professor explores the identity of the city he has reported on for 41 years.
Puerto Ricans can't vote in the general election, but the way they vote in the primary can predict how well a candidate will do with a key demographic.
The island, which missed a debt payment earlier this month, faces 'disastrous' consequences if a solution to its spiraling crisis isn't found soon.
Puerto Rico's economic woes have led some analysts to compare it to Greece. Paradoxically, Puerto Rico's colonial status explains both its growth and the impending financial debacle.