Woz, Apple co-founder, announces private space company to clean space debris

Wrestling with the risks of private missions to space. The all-civilian Inspiration4 crew, launching to orbit this week, will force the space industry to contend with just how much risk ordinary people are willing to take on in order to build humanity's future in space.

UK scientists make 'cosmic concrete' with astronaut blood and space dust

The DoD Wants Companies to Build Nuclear Propulsion Systems for Deep Space Missions