Wouldn't traveling faster than light cause issues with,
time?
Actually, there is a theory out there where traveling at light speed (or faster than light) will have issues with time relativity.
Meaning, the time spent by light-speed travelers will pass at a normal rate for them, while everyone back home will experience that time 100 or even 1000 fold.
For example, you could travel the cosmos at the speed of light for 4 years. Everyone else back home however, would live those 4 years into 80 years.
Meaning, by the time you even got close to your destination, everybody you knew back home would either be very very old or dead.
In the mean time, you would've only aged 4 years.