In some bizarre twist of fate, plankton from Earth's sea has reportedly wound up on the outside of the International Space Station (ISS). Experts know that certain bacteria can survive in space given the right conditions, but plankton is certainly not one of them. This of course raises the question, "how the heck did they get there?"
NASA is bringing together marine and atmospheric scientists for a very unusual purpose. The space agency says that it wants to spy on phytoplankton from space.
A newly discovered source of iron from melting ice sheets may help buffer the effects of global warming.