LifeFloating in microgravity gives bacteria permanent genetic boost Life in simulated zero gravity turns bacteria into reproductive powerhouses and may help them form tough colonies that could pose a risk to humans in space 51¶¯Âþ
SpaceNo crew planned for NASA's first Space Launch System mission The first launch of SLS will go forward without astronauts aboard, despite a White House request that NASA add crew to a planned 2019 mission 51¶¯Âþ