Alien Life May Thrive in Impact Craters

Alien Life May Thrive in Impact Craters | Space.com: "An asteroid or comet smashing into the surface of a planet can spell doom for living creatures, but if the impact isn't large enough to completely decimate a planet's inhabitants, then the crater can ultimately provide a habitat for life. That's the finding of a new study reported at the European Planetary Science Congress in September by Iain Gilmour of the Open University in the United Kingdom."