It's when nighttime rolls around, and they get physically disturbed — like from a breaking wave, a boat ... which does not glow blue. It has been known to lead to bird deaths in the past ...

Videos posted on X showed a blue orb in the night sky that was visible in the U.K., France and other countries.

A video shot in California captured stunning images of dolphins playing in glowing bioluminescent tides. University of California, San Diego photographer Erik Jepsen captured the video off Scripps ...

Astrophysicist Dr. Paul Sutter spoke with NBC News' Gadi Schwartz on the spectacular atmospheric event that a SpaceX rocket created over the European sky.

A Welsh photographer has said he was left "euphoric" after five years waiting to capture pictures of waves glowing with bioluminescence. Bioluminescence is the light that some living creatures ...