AS darkness falls across North America on the evening of Nov. 26, extending into the early hours of Nov. 27, skywatchers in the northern tier of the United States witnessed a celestial display driven ...
McDougall found the switchback in the magnetosheath, a layer just beyond the magnetosphere, where solar wind, diverted by the magnetosphere, flows. The switchback contained high-energy electrons that ...
A global game reveals that our idea of the size of continents is more accurate than classic maps and their distortions ...