Tourists swam in the glowing sea On Sunday, September 8, the phenomenon was observed in several Danish ports, including Aarhus, Roskilde, and Veddelev. The water temperature in the Baltic Sea was ...

For days, rumors swirled on social media this week of a tidal bloom of glowing algae washing up along the Bolivar Peninsula. Rebecca Rushe, who lives in the coastal community, headed out Wednesday ...

The glow is an indicator of a harmful algal bloom created by something called Noctiluca scintillans, nicknamed Sea Sparkle. It looks like algae and can act like algae. But it’s not quite.

The Mallee region in Victoria, Australia is home to a group of four lakes which turn a glowing pink after rain falls. This is because they contain red algae which give the water the unusual colour.