Elon Musk on planning for Mars: 'The city has to survive if the resupply ships stop coming from Earth'
By Taylor Locke
New fleets of private satellites are clogging the night sky
By Christopher Crockett
Elon Musk says college is 'for fun' and not for learning, echoing PayPal co-founder Peter Thiel
By Ari Levy & Michael Sheetz