Mark Geyer, director of NASA’s Johnson Space Center, is stepping down from his position leading the center to focus more time on his health and family in light of a cancer diagnosis.
This post was originally published on nasa.gov. Read
- Two of the Most Destructive Forces of Nature – Earthquakes and Tsunamis – May Be a Bigger Threat Than Thought
- Asteroid That Hit Botswana in 2018 Likely Originated From Vesta