SAN JUAN, Puerto Rico (AP) — Puerto Rico is building a water quality monitoring station to help protect a popular bioluminescent bay in the neighboring island of Vieques. The Department of Natural ...

An aerial view of trees, the beach, and turquoise water in Fajardo, Puerto Rico - Javier Cruz Acosta/Shutterstock Teeming with the allure of tradition and modernity, San Juan, Puerto Rico's capital, ...

The inhabitants of San Juan aren’t early risers. At 9am, the city’s streets are largely empty. In the Plaza Colón, there’s a cockerel scrabbling about in the flower beds. A kiosk selling coffee and ...

(AP) A glowing lagoon off Puerto Rico’s northeast coast has gone nearly dark and biologists on Tuesday were trying to find out why. Theories range from an increase in construction runoff to inclement ...

Did you know only five bioluminescent bays exist globally? Three of them are in Puerto Rico. These places, called “bio bays,” glowing tiny microorganisms called dinoflagellates. When these tiny ...