https://unseensky.com/articles/Space discoveries, astronomy stories and observations from Unseen Sky.en-usWed, 04 Nov 2026 16:18:34 +0000https://unseensky.com/articles/helix-nebula-suns-future/https://unseensky.com/articles/helix-nebula-suns-future/NGC 7293 looks like a giant eye in the sky. Its glowing gas reveals what happens when a Sun-like star sheds its outer layers.Mon, 02 Nov 2026 22:31:43 +0000Observationshttps://unseensky.com/articles/3i-atlas-interstellar-comet-ancient-origin/https://unseensky.com/articles/3i-atlas-interstellar-comet-ancient-origin/A visitor from another star has revealed an extraordinary chemical fingerprint. New James Webb observations suggest that interstellar comet 3I/ATLAS formed in a far colder en…Mon, 02 Nov 2026 03:07:36 +0000Discoverieshttps://unseensky.com/articles/fall-into-black-hole-without-noticing/https://unseensky.com/articles/fall-into-black-hole-without-noticing/Crossing a supermassive black hole's event horizon might feel surprisingly ordinary. But that invisible boundary changes everything about your future.Sat, 31 Oct 2026 22:07:10 +0000Astrophysicshttps://unseensky.com/articles/earth-last-total-solar-eclipse/https://unseensky.com/articles/earth-last-total-solar-eclipse/The Moon is slowly moving away from Earth. One day, it will be too small in our sky to completely cover the Sun, ending total solar eclipses forever.Sat, 31 Oct 2026 21:47:55 +0000Solar Systemhttps://unseensky.com/articles/the-sun-is-not-on-fire/https://unseensky.com/articles/the-sun-is-not-on-fire/The Sun looks like an enormous ball of fire, but nothing is burning the way it does on Earth. The real source of sunlight is far more extraordinary.Sat, 31 Oct 2026 21:32:41 +0000Astrophysicshttps://unseensky.com/articles/new-world-beyond-pluto-2026-ed138/https://unseensky.com/articles/new-world-beyond-pluto-2026-ed138/Astronomers have discovered 2026 ED138, a mysterious icy world beyond Pluto that could become one of the largest known dwarf planets in our Solar System.Sat, 31 Oct 2026 20:25:00 +0000Discoverieshttps://unseensky.com/articles/a-4-1-billion-year-old-martian-meteorite-reveals-ancient-water/https://unseensky.com/articles/a-4-1-billion-year-old-martian-meteorite-reveals-ancient-water/A rare meteorite discovered in the Sahara preserves evidence of water interacting with the Martian crust more than four billion years ago.Sat, 31 Oct 2026 19:50:17 +0000Discoveries