We didn't expect to find planets bigger than Jupiter.

BBC: From counting to characterising exoplanets

However, just like the other planets, we haven't seen or tested the atmospheres of any of these planets, so whether they're habitable remains theoretical.

CNN: 3 new planets could host life

Dr. THOMMES: We had have ordered a few percent of systems that where the giant planets at least resemble the architecture in our own system, as to whether we would then have terrestrial planets in the habitable zone, the chances of that actually aren't too bad, because the terrestrial planets, we think, they kind of sprout like mushrooms pretty much anywhere.

NPR: What Makes Our Solar System Special?