LifePterosaur tracks show it touched down like a bird Jurassic-period footprints show the flying reptile landed on its hind legs, like a modern bird – although the animals mostly walked on all fours News
SpaceMonotony was 'most difficult part' of simulated Mars trip Six volunteers recently spent 3.5 months cooped up together in a simulated mission to Mars – they passed the time by writing letters and playing dice News