Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick atmosphere, which kept it warm enough to support flowing water on its surface. So, what happened to the Red Planet, and could it happen to Earth?

The Mangalyaan-2 mission, set for launch in 2030, was confirmed by Isro Chairman Dr. V Narayanan during a recent address

Brian, 57, says Mars ‘will never be a nice place’ and Earth was ‘perfect’ for mankind but there was a benefits to us living on another planet because it would ‘relieve the pressures on our world’