A3 (Tsuchinan-Atlas) won't be this close to Earth again for over 80,000 years, assuming it survives its approach to the Sun.
October, the much-anticipated comet C/2023 A3 (Tsuchinshan-ATLAS) could become visible to the naked-eye for skywatchers around the world.
NASA's Webb Space Telescope keeps spotting details no one has seen before: countless galaxies, clouds of dust birthing new ...