It’s hard to picture now, but Earth’s deep blue oceans were once green. According to a new study by Japanese researchers, ...

Aisha Bowe and Amanda Nguyen talk to "CBS Mornings" about how the Blue Origin spaceflight changed them for the better.

Ancient oceans were green due to their high iron content Cyanobacteria adapted to green light for photosynthesis Climate change is increasing phytoplankton, altering ocean color ...