[Cthulhu_]

Astral projection isn't Lovecraftian per se (fhtagn), but it's an interesting thing to ponder from a hypothetical / fictional perspective.

At best we'll be able to send out probes. Maybe, but this still feels science fiction too, we can harness quantum entanglement for long distance instant communication.

[swayvil]

In his books, one way of travelling was to switch souls with a creature on another planet. Apparently it worked very well. Though managing a new set of limbs and senses could be difficult.