Is it possible to go to Mars
You'd need a truly massive ship that can sustain a crew of probably hundreds. The trip is too long to send a skeleton crew like they did with the moon landing. I don't see strictly speaking why it can't be done but it's a huge investment for not a lot of return.
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.