Collaborative work by amateur and professional astronomers has helped to resolve a long-standing misunderstanding about the composition of Jupiter's clouds. Instead of being formed of ammonia ice -- ...

State health officials are warning red tide is present at the Naples Pier and beachgoers should be cautious if they have health issues. Red tide is caused by high concentrations of a toxin-producing ...

Red tide comes from an organism that occurs naturally in the ocean. But people can make these harmful algal blooms worse.