See the sun rise while a total lunar eclipse sets on Tuesday (Nov. 8), in a phenomenon known as a ‘selenelion’.
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.