If future Mars colonizers want to survive without pressure suits, they’ll need to generate a denser atmosphere. One way to achieve this could be to bombard the Red Planet with water-rich asteroids.

It’s the year 2400, and the people of the planet Earth are ready to branch out further into the cosmos. Now space travelers can bring April showers and spring flowers to the red planet with this ...

Mars may be the most Earth-like of the other planets in our Solar System, but it's still an inhospitably ... Until now, most proposals to terraform Mars involve transporting enormous amounts ...