Uncle Ken explains how astronauts use the bathroom in space, including the use of a special toilet with a camera and the recycling of urine for drinking water. Ozzy Osbourne’s cause of death revealed ...

Expedition 53 crewmates Nichole Ayers and Takuya Onishi take part in an educational outreach downlink from the International Space Station, as seen from behind the scene. Nichole Ayers with NASA and ...