Space Fellowship: NASA is taking steps to make spacewalking on an asteroid a reality. In the Neutral Buoyancy Laboratory (NBL) near the agency's Johnson Space Center in Houston, engineers are testing a modified version of the pumpkin-orange Advanced Crew Escape System (ACES) worn by space shuttle astronauts during launch and reentry for use by future crew in the Orion spacecraft. As the agency plans human deep space missions, including a voyage to a relocated asteroid, care is being taken to efficiently use sp [...]