A Private Race to Mars?

Last Summer the folks at Mars One announced plans to land humans on Mars by 2023.

Now it appears Dennis Tito will announce an American effort to get humans to Mars by 2018.  Some might remember him as the first space tourist when he visited the ISS in 2001.

Apparently we’ll get details next week.  Notice that I wrote “humans to Mars by 2018″ and not “humans on Mars”.  Early word is that it’s a flyby mission.