This page claims to have been last updated 21 April 2012, http://primes.utm.edu/largest.html
I'm not sure why we haven't found any more lately though, but the information seems to be correct.
The wikipedia page is interesting. We have discovered new large primes since 2008, they just haven't been bigger.
https://en.wikipedia.org/wiki/Largest_known_prime_number
This page claims to have been last updated 21 April 2012, http://primes.utm.edu/largest.html