"If the moon and a planet are near Castor and Pollux you have an impressive show." From our earthly perspective, the moon and Mars will appear closest to each other at around 8 p.
The billionaire says an unmanned mission by his SpaceX "Starship" vehicle will be followed by human landings as early as 2029 ...
D printers will make the tools, structures and habitats space pioneers need to survive in a hostile alien environment.
capturing unprecedented images of Mars' lesser-known moon, Deimos. Mars has two moons, Phobos and Deimos, but scientists know relatively little about them, especially the smaller one, Deimos.