A study using Chandra and Hubble has given new insight to how habitable planets that orbit the most common type of stars in the Galaxy might be. Source: [url=http://www.nasa.gov/mission_pages/chandra/images/assessing-the-habitability-of-planets-around-old-red-dwarfs.html]Assessing The Habitability Of Planets Around Old Red Dwarfs[/url]