Read on. What happens when you strike a match in zero gravity? The first thing Neil would like to make clear is this - it isn’t advisable to do this on a space station. The second is that ...

Paul Ferkul / NASA Recent tests aboard the International Space Station have shown that fire ... to expand and become less dense. The pull of gravity draws colder, denser air down to the base ...

But what happens when you're orbiting 400 kilometres above Earth, where gravity refuses to play along? NASA astronaut Don Pettit found himself longing for the rich aroma of his morning brew aboard the ...