What happens to the tears if you cry in space?

By Matthew Abshire, CNN Crying probably isn't on the top of the list of official experiments being explored on the International Space Station, but that doesn't stop astronaut Chris Hadfield from demonstrating the phenomenon of human tears in space. read more

Up in space, liquids take the shape of a sphere in their free, unregulated form. Surface tension in liquids causes molecules on the surface to pull towards each other. read more

“So if you keep crying you just end up with a bigger and bigger ball of water in your eye until eventually it crosses across your nose and gets into your other eye.” So while you can indeed cry in space, your tears will not fall. read more

By Matthew Abshire, CNN Crying probably isn’t on the top of the list of official experiments being explored on the International Space Station, but that doesn’t stop astronaut Chris Hadfield from demonstrating the phenomenon of human tears in space. read more