Lamedonyx

No, and canonically, anyone who tried never came back.

There’s probably “something” back there, but we won’t see it for a while.

And then there's Pluto, by Naoki Urasawa, which is what would happen if Philip K. Dick decided to write an Astro Boy story.

(It's a reinterpretation of "The Greatest Robot on Earth", and was supervised by Tezuka's son, 100% worth a read)

Plot twist: kiloueka is a robot who is trying to goad humans into solving captchas for them.