SpaceBrown dwarfs: From zeroes to astronomical heroes The most unloved, drab objects in all of space are fast becoming the new cosmic "it" objects, providing insights into exoplanets and a lot more besides Features
EarthFrack on or frack off: Can shale gas save the planet? Optimists see the new resource as a cheap, clean "bridging fuel" to a low-carbon future. The true picture might not be so simple, says Michael BrooksFeatures