In less than two weeks, interstellar comet 3I/ATLAS will be the closest it will ever get to Earth, just 269 million kilometers (167 million miles) away, or 1.8 astronoical units (the Earth-Sun distance). As the cosmic encounter rushes towards us, there will be a lot more opportunities to observe this incredible object. Still, some new, exciting, and unexpected ones have just dropped in the last few days, including a photobomb from observatories that were not even looking. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

Seniority trumps it all, so let’s talk about Hubble's interstellar comet images, the latest of which you can see below. The veteran space telescope, now in its 35th year, first observed 3I/ATLAS back in July, mere w

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