The four views show vivid green swirls of light clinging to Earth’s curve ... like it’s going to be an active one. Talk about ...

Viewers in Fairbanks, Alaska captured the northern lights, or the aurora borealis, on video Sunday, showing vibrant green colors rippling across the sky.

The dinoflagellate Noctiluca scintillans, also known as sea sparkle, is responsible for the blue-green glow that can be seen ...

Martin screened specimens of adult males and females in a dark room by shining blue and ultraviolet light on them. Most species ended up glowing green or yellow-green. Males had the most ...

Adult female glow-worms have a large, light-producing organ at the end of their abdomens. At night they use a bright, steady stream of yellowish-green light to attract flying males. During the day ...