The glow in Lough Hyne comes courtesy of dinoflagellates (tiny, single-celled plankton) floating near the surface of the water. When disturbed, they emit a flash of light, usually bluish green, in ...

The presence—or absence—of tiny organisms in the waters of the Gulf of Maine can impact the entire ecosystem.

Exploring Old San Juan, ziplining in El Yunque National Forest, and kayakaying on Bioluminescent Mosquito Bay are some of the most epic things to do in Puerto Rico.

Sunbathe, swim and eat at Luquillo Beach is ranked #19 out of 25 things to do in Puerto Rico. See pictures and our review of Sunbathe, swim and eat at Luquillo Beach.

Algal mats have been found in Salmon Creek tributaries and the San Joaquin River in Fresno County, California, and the community is advised to avoid swimming in areas with the mats and to keep pets… ...

In the depths of the ocean, along forest floors, and scattered across various ecosystems, extraordinary creatures possess a remarkable ability—they can create their own light. This biological light ...