A Falcon 9 rocket launched 52 of SpaceX’s Starlink internet satellites to orbit Saturday evening (Sept. 24) and also aced a landing at sea.
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.