The United States will soon ask other nations to follow its lead and abandon destructive, debris-spawning anti-satellite testing, Vice President Kamala Harris said.
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.