Using a little bit of maths and a lot of patience, anyone can watch the International Space Station go flying past the Moon. And if you’ve got a DSLR and a telescope handy, you can save that moment in a stunning photo. Read more >>
In the good old days of moonwalks, NASA astronauts fell over quite a lot. But they weren't being clumsy or struggling with their suits: despite what you might think, low gravity actually makes it harder for astronauts to say upright.