Is it possible to justify aliens that look human and can

>>47088037
Sure, just like it's possible for this thread to avoid spiraling into "Wow she aged poorly" like every other thread with this image as the OP.

But it's very, very unlikely.

Ancient aliens/progenitor race.

Sure, we're related to them

>>47088037
>can breed with humans
if they can breed with humans, then they are not aliens but humans.
species are defined by if they can breed fertile offspring.

>>47088037
Something something Warp shenanigans (or whatever the go-to explanation for everything in your setting is)

Battlestar Galactica.

Star Trek did this by having nearly all the sophonts created and guided by the designs of a long gone progenitor race, combined with the miracles of modern medicine to adjust for some differences.

>>47088037
>>47088092

advancement in genetic manipulation, using human as host, "mules". sure, why not. And to replying anon, some equines, canines or felines can crosbreed, some not. so term you're looking for in that case is "humanoid" i guess

>>47088092
Asari can "breed" with humans but the offspring is 100% Asari. Does that make humans Asari?

>>47088499
>Asari can "breed" with humans but the offspring is 100% Asari.
How does that even work

>>47088573
Space magic.

>>47088037
40K abhumans.

Catgirls from space are just distantly related humans

>>47088499
>>47088573
They don't even breed with their "mate".The partner is basically a masturbation aid whose nervous system they borrow to impregnate themselves.

Nope. The likelihood that any other sapient space-faring species would be within even the correct air pressure for us to have bodily contact without exploding or decompressing is [UNKOWN]