Northern Lights Shine Over U.S. and Canada

Northern Lights Possible In The U.S. Early On Tuesday As Solar Storm Erupts In ‘Earth Strike Zone’

Why To Go Stargazing On A Cruise Ship—And See The Northern Lights

Finnish stargazers discover completely new Northern Lights phenomenon: Conventional auroras are caused by electrons in the solar wind, but the newly discovered phenomenon stems from protons, which are much heavier