NASA plans a 2028 Mars mission using nuclear electric propulsion, a step that could transform deep-space travel.
For years, nuclear propulsion sat in the same category as so many ambitious space ideas, impressive on paper, always a few steps away from reality.
Now NASA says that changes in 2028.
The agency pl… [+9354 chars]
Now NASA says that changes in 2028.
The agency pl… [+9354 chars]