A stubborn solar array on the NASA Lucy mission might yield enough to allow the mission to continue its asteroid-hunting mandate with few issues, NASA reports.
Earth’s highest, coldest, rarest clouds are back. How to see the eerie ‘noctilucent clouds’ this summer.
Look North as the stars appear in June and July to have a chance of seeing rare noctilucent (or ‘night-shining’) clouds with the naked eye.