Space Comet storm split destiny of Jupiter's twin moons Comet strikes may have warmed Ganymede enough for its ice and rock to fully separate Heavy pummelling by icy comets could explain why Jupiter's two biggest moons – apparently close kin – look so different inside. At first glance, Ganymede and Callisto are virtually twins. The colossal moons are similar in size and mass, and … 51¶¯Âþ
Space Burt Rutan: The maverick of Mojave Video: SpaceShipTwo Designing the future of space flight Burt Rutan is one of the US's leading aeronautical engineers, noted for his innovative designs and light, energy-efficient air and spacecraft, including Virgin Galactic's SpaceShipTwo. In a rare interview, he talks to David Cohen about his work, conspiracy theories and the explosion that claimed the lives of … Opinion
Space Destination Phobos: humanity's next giant leap Could this be the next outpost in space? Whether Phobos is a chip off the old Martian block, or a captured asteroid is still up for debate Interactive graphic: Missions to Phobos PHOBOS is a name you are going to hear a lot in the coming years. It may be little more than an asteroid … Features
Enigma Number 1580 If you knew what I knew... I played a little logical game with my two highly intelligent godsons, Proddy and Addy. I had in mind three different digits chosen from 1 to 8 and I whispered the product of the three to Proddy and the sum of the three to Addy. I explained all this … Regulars
Magic 30's gruesome meaning HOW smart are the US military's smart bombs? Can they, for example, count? The question is prompted by the observation back in August 2008 on a blog called "Moon of Alabama" that " around the Hindu Kush , 30 is a magic number". The writer found it surprising how many reports of people – whether … Regulars