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COLUMBUS, Ohio — In a cosmic first for this decade, astronomers have identified a mysterious comet from another galaxy — ...
Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...
Comet C/2023 A3 (Tsuchinshan-ATLAS) sports prominent dust and ion trails in this photo taken on the morning of Sept. 30. The imager used a 12-inch scope and LRGB exposures of 200, 100, 100, and ...
NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...
Space scientists say they are preparing a comet interceptor spaceship as the third interstellar object ever detected was ...