Question

Your interested in space travel, which would be there best source of information

Answer 1

NASA, or some other trusted .gov website. You could also check out news articles on the latest advancements in space travel. 

Answer 2

I would use NASA are the source. NASA, or the National Aeronautics and Space Administration, is a government agency created with the sole mission to further explore space, aeronautics, and flight research. NASA is a government-certified group (because the government created them) and therefore a trustworthy and dependable source of information about space travel.
Hope I helped! ;)