Today, the planet Mars presents itself as a cold, arid desert, but its soil retains the imprint of a far more welcoming past. Meandering valleys and water-altered minerals attest to a period when the ...

Let’s face it – you’ve thought about it at least once. Maybe twice. Maybe you were inspired by Katy Perry’s venture out to (not really) space, or loved Dune so much you want to swap your shoebox flat ...