Lemmon, which is a rare green comet, can be seen with the naked eye on Oct. 21, according to the Royal Astronomical Society, ...

The period of visibility will fall within the dates of the Orionid meteor shower, making for a once-in-a-lifetime viewing ...

For those of you who like interesting night sky phenomena, there are actually two comets that are visible right now. Comet ...

Stu, a former videographer who lives in Perthshire, Scotland, says that a double-comet event happens ‘perhaps once or twice in a human lifetime’. To see two dazzling smears on the night sky is ...