Waste management in space a problem no more; NASA reveals winners of 'Poop Challenge'!
As astronauts travel farther into the solar system, explorers may need to remain in their suits for several days.
Feb 20, 2017, 16:36 PM IST
As astronauts travel farther into the solar system, explorers may need to remain in their suits for several days.
Feb 20, 2017, 16:36 PM IST