Well, obviously, on planets. They would search life where they would have found conditions that would support it - water and atmosphere. The most likely candidate right now is Mars, which has been proven to have both ice and atmosphere, though not breathable by humans, it would possibly provide a place some of known bacteria could live in.
Planets!
8th
the sun
8
8 planets in the solar sytem
no its the center of the univerce
There is only one star in 'your' solar system - the Sun.
no we do not need the solar system, All we really need is the earth
about 6.2 million years old
like, a bajillion light years.
"Sol" is the Latin name for the Sun.
It revolves around the Earth, not the sun.