The Dyson sphere would significantly increase the possibility of finding “Alien life” if one were built. You may be looking for slime, but just saying Alien can imply other things. Especially on mainstream media like BBC.

In recent studies, 55 CancriB is the most similar system to our own. However the star itself is an orange dwarf furthermore the system is a binary one. All other observed systems are even less similar to our own. Binary systems are the most common systems in the universe and we don’t have one.