yes ... Europa .... Jupiter moon has an iron core, appears to have plate techtonics, and ocean under the ice that covers its surface. where there is water, there is life.
not that we know of but they are studying about life on mars
earth is the only planet with water, and is the only planet to sustain life but they are looking at mars because it is said to be another planet besides earth that may be able to obtain life
Mars is the planet besides Earth that has water.
Mars
mars
Besides Earth, mars is the most explored planet.
Aside from Earth, no. And at this point mars is not a viable option in the foreseeable future either.
Mars is the planet that is most studied besides Earth. Scientists have been sending spacecraft to orbit, land, and rove on Mars for decades, gathering valuable data on its geology, climate, and potential for hosting life.
mars
Venus has no molecular oxygen.
mars
Mars is a planet that scientists believe could potentially support life, either currently or in the past. Jupiter's moon, Europa, and Saturn's moon, Enceladus, also have subsurface oceans with conditions that could be suitable for life.