Elon Musk says first Mars colony settlers will live in ‘glass domes’ before terraforming planet

The first human colony on Mars will be built using “glass domes”, according to SpaceX CEO Elon Musk. The billionaire entrepreneur, who this week became the third richest person in the world, has frequently spoken of his ambition to travel to Mars in his lifetime and turn humanity into a multi-planetary species. Early settlers will live in temporary habitats before a more radical solution is sought to make the planet more accessible, he tweeted on Thursday. Mr Musk also said he hoped to populate Mars with a million people by 2050. In order to...