Question

Do the other planets have atmospheres and are they different to Earth's?

Answer 1

Yes, other planets do have atmospheres. But they are not like earth's.

They are either too dense or too light.

They are poisonous.

They do not have ozone layer like earth.

They don't have all the gases that support life.

Answer 2

According to Big Bang theory planets are formed from sun

Like our earth other planets may also had or will have life if both chemical and biological evolution occurs.