"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.
D printers will make the tools, structures and habitats space pioneers need to survive in a hostile alien environment.
In the next decade, space agencies plan to bring rock samples from Mars to Earth. But what if these rocks contain alien ...
A spectacle for stargazers to admire will take place in the night sky this evening, March 8. Mars will have a close encounter ...