This is a good article, but it could use a little expansion.

RD-23455 is a Red Dwarf star that has 12 planets orbiting it and out of those 12, 3 of them have life and oceans on their surfaces. BD-23455 is about 5.8 billion years old, it is 1/10 the mass of the sun it will live another 160 billion years before becoming a White Dwarf and another 230 billion years before it becomes a black dwarf.