Something similar will take place when humanity leaves Earth for destinations such as the Moon and Mars - although astronauts will face even greater challenges than, for example, the Vikings did when ...

3D printers will make the tools, structures and habitats space pioneers need to survive in a hostile alien environment. They will enable long-term human presence on the Moon and Mars.

UTD Prof. Wei Li recently received an Early Stage Innovations grant from NASA to support his study of welding on the surface of the moon. His work could lead to making space travel safer and enable ...