Toxic algae blooms appear reddish brown (hence the nickname “red tide”) in daylight and sparkly blue at night. When larger ...

Scientists say the twinkling blue is caused by light-emitting microorganisms ... make it harder to see the glow. But be aware: Bioluminescent algae that twinkle along the seascape can poison ...

A dazzling neon blue tide in San Diego, California, has got people out on the beach snapping the waves. The electric aqua colours are caused by a tide of blooming algae - by day the plankton turn ...

The rust-colored water is caused by algae that is also responsible for the blue glow known as bioluminescence, but there is a flip side to this nighttime beauty. "It smelled a bit like fish ...

It looks like algae and can ... Press photos of the glowing water. “Those pictures are magnificent. It’s just extremely unfortunate that the mysterious and majestic blue hue is created by ...

Gorgeous streaks of neon blue water, called bioluminescence, have returned to Southern California waters such as Venice Beach. Getty Images The gorgeous act of nature, where microsized algae ...