Southern California's coast has taken on an unusual appearance in recent days. Every night, the water gets a "beautiful blue glow." Videos from the coastline show dolphins jumping through glowing ...

Photographer Johnny Chien captured the glorious blue glow in the water caused by bioluminescent plankton at a Santa Cruz County beach in mid-July. "The bioluminescent plankton is back at Seacliff. I ...

The nighttime surf at many San Diego County beaches, including in La Jolla, is again flashing neon-blue light stemming from plankton blooms. Beach-goers recently have reported seeing the ...