Unfortunately, "Warp Drive" only exists in Star Trek movies.
For now. Apparently some space agencies (including NASA) are looking into it. Apparently it works in theory, but putting it into practice will probably be extremely difficult if not impossible.
The planet's lucky to be 500 light years away from certain doom
Maybe its the other way around. If there is life there there isn't really any way to know what kind. Could be microscopic or it could be a civilization far more advanced than us. If its the latter it might be a good idea to keep a low profile.