Are internet rumours of a comet hurtling towards Earth true?

Are internet rumours of a comet hurtling towards Earth true? Rumours across social media platforms that a huge comet is on a collision course with Earth have been circulating, with some users describing it as a major threat to humanity. Others are debating how the comet - known as 3I/ATLAS and detected by NASA's ATLAS telescope on July 1 - might be diverted from the Earth. Some have even gone so far as to highlight "news" of military movements and an international coordination to counter the comet before impact, prompting further alarm. So is there any truth to these rumours and what do we know for sure?