ByMark Willard•

June 2, 2026

Updated: June 2, 2026, 11:57 am EDTPublished: May 30, 2026, 3:05 am EDT

Spring's warming waters help create magical bioluminescence as tiny plankton transform coastal seas into glowing electric blue light shows that appear truly otherworldly. This stunning natural phenomenon occurs when microscopic marine organisms produce their own light, turning ordinary waves into liquid starlight. Watch it in action and you can learn more about the fascinating science here .