Coordinated observations produced polarization patterns consistent with a long-standing prediction of quantum electrodynamics, although confirmation will require more data.
A retrospective proof-of-concept tracked one coronal mass ejection almost continuously from the Sun toward Earth, producing a much tighter estimate than current operational methods.
A ship-based campaign from Southern California toward Washington is collecting physical, chemical and biological measurements to improve ecosystem forecasts.
The observed cyanobacteria bloom had contracted from the previous update, while wind, currents and surface scums could rapidly change local conditions.