Everyone loves fireflies, the famous light-emitting insects that flit through gardens on summer evenings! They form the ...

For decades, Puerto Ricans have struggled with a dysfunctional energy system. Now residents are grappling with two very different plans for how to fix it.

Puerto Rico’s energy scene is changing fast, and solar power is leading the way. With all the talk about incentives and new ...

Discover the best fall surf spots across the U.S., from California and Hawaii to Florida and Puerto Rico, where warm seas and steady waves invite one more perfect ride.