[hajola]

While it's possible for conditions for life to emerge or sustain itself to be present beyond the habitable zone (e.g. there's likely a subsurface ocean orbiting the farthest plant from the Sun on Triton), afawk it is more probable that life forms in the habitable zone. That is the only one we have a data point for.

[ceejayoz]

A sample size of one tells us it it possible, but nothing about what’s most likely.

[hajola]

Well, we also know where we haven't found signs of life. So from that perspective we have more data.