NASA and some of their astronauts played along during #LiveInSpace to give a behind-the-scenes look at how the vital necessities take place in the International Space Station.

Food has changed a lot over the years, with current meals on the ISS looking a lot like what we eat here on Earth.

But it's not quite as good as home — astronaut Douglas Wheelock admits his favourite days when fresh fruit shows up during a resupply mission.

Update: As for the future of food? Star Trek style replicators are quickly moving from fiction to fact with NASA testing 3D food-printing: