Musk’s vision for cities on the moon and Mars is an attempt to make science fiction a reality.

NEW YORK — Elon Musk vowed this week to upend another industry just as he did with cars and rockets — and once again he’s taking on long odds. The world’s richest man said he wants to put as many as a ...

The world's wealthiest man plans to launch up to a million satellites into orbit, creating vast, solar-powered data centres.