Sushi is now on the menu for the International Space Station, thanks to a Japanese astronaut.
The energy inherent in gravitational corridors would make ideal space lanes for interstellar travel.
An inflatable space tower tall enough launch spacecraft has been proposed by Brendan Quine, Raj Seth and George Zhu at York University in Toronto, Canada, according to a New Scientist report.
Global Aerospace has been given NASA funding to study the use of ballutes in planetary atmospheric entry and descent.
Multi-robot planetary exploration would be a complex affair, with humans working with a diverse team of mobile robots operating in a variety of control modes.
NASA's Axel rover is a whirling robot to tackle the most challenging terrain on the Moon and beyond.