Enjoy an under-the-radar Caribbean destination with little to no crowds and incredible adventure activities, like volcanic hikes and reef diving.

Last year, sea urchins in the Caribbean started getting sick—shedding their spines, dying off and throwing reef ecosystems into chaos. Now, scientists think they've caught the killer in this marine ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A disturbance in the central Caribbean Sea could turn into a tropical ...

While the whole country is an ecological wonderland, with coastlines on both the Pacific Ocean and Caribbean Sea, Costa Rica ...