Well, the urgent NASA news conference was really exciting and worth it
http://www.cnn.com/2017/02/22/world/new-exoplanets-discovery-nasa/index.html?adkey=bn
The researchers believe that TRAPPIST-1f in particular is the best candidate for supporting life. It's a bit cooler than Earth, but could be suitable with the right atmosphere and enough greenhouse gases.
If TRAPPIST-1 sounds familiar, that's because these researchers announcedthe discovery of three initial planets orbiting the samestar in May. The newresearch increased that number to seven planets total
http://www.cnn.com/2017/02/22/world/new-exoplanets-discovery-nasa/index.html?adkey=bn