5 planets, moons in our solar system that may have alien life

Venus

Scientists believe that Venus may have harboured oceans for a long time

Mars

Scientists have discovered evidence of ancient liquid water and organic molecules

Enceladus

Enceladus is a Saturn moon with subsurface sea and organic chemistry

Europa

Europa is a Jupiter moon with subsurface sea and possible organic chemistry

Titan

Titan is a Saturn moon with possible geologically active and organic chemistry