When you buy through links on our articles, Future and its syndication partners may earn a commission. Comet SWAN C/2020 F8, a comet from 2020 found by NASA's Solar Wind Anisotropies (SWAN) instrument ...
A long-tailed comet has been spotted close to the sun, and some astronomers are predicting it could be seen with the naked eye in mid-October — just as another comet is forecast to do the same. It ...