The survival of organisms in the vacuum of space could support the theory that life didn't start on Earth, but originated elsewhere in the galaxy.

The two astronauts have a busy day ahead of them. Hague and Williams will "patch light leaks in the NICER X-ray telescope, then ready the Alpha Magnetic Spectrometer for future upgrades," NASA officials wrote in a Jan. 15 blog post.

Astronauts are scheduled to venture outside the International Space Station to collect microbiological samples during crew spacewalks for the ISS External Microorganisms experiment. This investigation focuses on sampling at sites near life support system vents to examine whether the spacecraft releases microorganisms,

They will swab the exterior of the International Space Station to collect microbiological samples surviving in the vacuum of space.

Learning how to deal with the microorganisms hitching a ride with humans Two NASA astronauts are set to venture outside the International Space Station (ISS) in search of signs of life.… Butch Wilmore and Suni Williams should have been back on Earth months ago,