The Crew-5 astronaut mission is on target to launch Wednesday (Oct. 5), provided SpaceX and NASA clear up three minor issues.
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.