Add Yahoo as a preferred source to see more of our stories on Google. Jeffrey Hoffman is a professor at the Massachusetts Institute of Technology and a former NASA astronaut.
Add Yahoo as a preferred source to see more of our stories on Google. Retired astronaut Jeff Hoffman, plasma propulsion professor Edgar Choueiri and space medicine researcher doctor Farhan Asrar ...
Former NASA astronaut Jeffrey Hoffman joins ABC News Live to discuss the Artemis II crew's reentry, key risks during splashdown and what comes next after the mission’s lunar flyby. Why Iran thinks it ...
Former NASA astronaut Jeffrey Hoffman joins ABC News Live to discuss the Artemis II crew's reentry, key risks during splashdown and what comes next after the mission's lunar flyby.
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