Plans include cargo ships to Mars in five years and use rockets to carry people between Earth's major cities in under half-an-hour.
30 Sep 2017 9:19 AM
The 6.5-metre diameter infrared-optimised telescope is designed to study an extremely wide range of astrophysical phenomena.
30 Sep 2017 9:14 AM
A seat should cost about the same as a full-fare economy plane ticket, he noted later via Instagram.
30 Sep 2017 9:02 AM
Chris Cassidy is keeping his exploration impulses down-to-earth.
30 Sep 2017 8:59 AM