Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with oxygen.

IOCAS researchers have studied red, green and brown tides along China’s coasts, caused by high biomass of particular algal species. By analyzing biological features of these algae, and their ...

he was born in the fifth century as Maewyn Succat persuaded the Catholic Church to make March 17 a feast day a group of men ...