SpaceNew lease of life for hobbled planet-hunter Kepler NASA might not be able to save its damaged space telescope Kepler, but it could begin a second career spotting new worlds with a gravitational lens ¿ìè¶ÌÊÓÆµ
LifeHow to build a Mars colony that lasts – forever A sustainable outpost on the Red Planet may be humanity's only chance of survival, but challenges include growing food and overcoming insomnia ¿ìè¶ÌÊÓÆµ