I successfully landed Jebediah on the moon, but quickly realized that I didn't have the fuel to get him back. Took me awhile to build a return ship for him, but at least he got back safe and sound lol
ALSO, I had a 3 man team in a space lab orbiting Kerbin appropriately titled the "NoReturn Science Lab"
took me about four days to get them back, but that's how I learned how to set up a space rendezvous.
Some good mods to download for anybody interested in this game:
KW Rocketry Adds a lot of new items to build with and is fully incorporated into the research tree. Many new fuel tanks, engines, solid fuel boosters, and even stage fairings.
L-Tech Science Pack Adds a good number of new science items. Cameras, radiation sensors, new science labs, storage bins, etc. I like this mod because it gives your probes a more realistic purpose, like photographing the surface of planets / moons.
Kerbal Attachment System Really meant for advanced players, but it lets you build and work with tools and parts with an EVA Kerbal. Moon bases are cool.
Crew Manifest Lets you create Kerbals and transfer them between different ships. You can also add / remove Kerbals before a launch.
Those are the ones I use, and I'm sure some people will suggest Mechjeb, but I find that it makes the game far too easy. I like the challenges that come with doing shit manually.