(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 ...

Watching phytoplankton illuminate the world's shores is an otherworldly experience. With a bit of luck and perseverance, ...

You might have seen it in the Academy Award-winning film “Life of Pi” — a blue glow that grows as main character Pi swirls the water. While this might be the work of CGI in the movie, it’s actually a ...

Royce Hutain knew it was going to be cold and probably pretty smelly. But when you have neon blue water that rarely shows up off local waters — you can’t help but jump in with an epic cannonball and ...