SpaceX isn't the only organization pining to visit the Red Planet. Here's a detailed list of all operational and planned missions to Mars and their objectives.
With rising oceans and stronger storms, flooding is only going to increase in the coming years. Could these flood-proof houses be the short-term solution?
Some crowdfunding projects have turned out to be too good to be true, leaving backers with empty wallets. Here are a few of the worst offenders to date.