A distant intermediate black hole has signaled its presence to researchers by blasting out intense radiation as it ripped apart an unfortunate star that wandered too close to it.
Earth’s highest, coldest, rarest clouds are back. How to see the eerie ‘noctilucent clouds’ this summer.
UVI Air
June 8, 2023
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.