Comet Atlas may have fizzled as it came ’round the Sun, but its replacement, C/2020 F8—better known as Comet SWAN—has fared better in its approach to the center of the Solar System, and although it is likely to become just bright enough to be visible to the naked eye, skywatchers willread more

Originally expected to produce a celestial spectacle, Comet Atlas has fizzled, having broken into at least four pieces on its approach to the Sun, an occurrence that will likely prevent the comet from reaching the spectacular brightness it was originally predicted to reach in May. But hot on Atlas’s heelsread more

Astronomers have released their first analysis of our second known interstellar visitor, comet 2I/Borisov, and these findings show that despite the comet’s extra-solar origins, the materials that this alien visitor is made of are downright familiar. First spotted on August 30, 2I/Borisov’s orbital path was quickly determined to follow aread more