A fuel leak that thwarted NASA’s second attempt to launch its new Artemis 1 moon rocket on Saturday (Sept. 3) will likely take weeks to fix, and may even force the megarocket off its launch pad.
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.