Welcome to all the new people! Here's some resources to get you started:
https://www.expanse.tech/
https://www.youtube.com/watch?v=PIFm5SopjE0

Q: What is Expanse?
A: Expanse is an Ethereum alternative with the goal to create the most advanced forms of identity, governance, charity, commerce, and equity.

Q: What is new or currently under development?
A: Expanse version 1.7.2 was released recently with Byzantium and other protocol upgrades.
    EXP.DAO - Transparent Blockchain Governance, all the services we create will work together to form the EXP.DAO.
    EXP.LIFE - Earn experience points doing all the things that you love like traveling, trying new things, meeting new people.
    Borderless - A revolutionary decentralized governance services platform offering services such as citizenship, identity, notary, marriage, asset rights management ...
    TokenLab - A token-creation and ICO management services platform that runs on the Expanse.Tech™ blockchain.
    http://blog.expanse.tech/

Q: Where can I buy/sell Expanse?
A: https://poloniex.com/exchange#btc_exp
    https://www.bittrex.com/Market/Index?MarketName=BTC-EXP
    https://changelly.com/
   
Q: Where can I download the software?
A: Go-Expanse - https://github.com/expanse-org/go-expanse/releases
    Mist - https://github.com/expanse-org/mist/releases
 
Q: Can I mine Expanse with a GPU?
A: Yes!
    https://exp.suprnova.cc/
    http://dwarfpool.com/exp

Q: Where can I get more involved with the Community?
A: Slack - http://slack.expanse.tech/
    Twitter - https://twitter.com/expanseofficial?lang=en
    IRC - #expanse freenode
    Discord - https://discordapp.com/invite/xqMwbpg
    Reddit - https://www.reddit.com/r/ExpanseOfficial/
    Facebook - https://www.facebook.com/groups/expanseofficial/
     
Q: Where can I get more involved with the development?
A: https://github.com/expanse-org

Q: Where can I find a block explorer?
A: http://www.gander.tech/

Please let me know if you find this information to be helpful!