NASA scientists have identified a previously undiscovered species of bacterium thriving 250 miles above our heads on the International Space Station – and it could help us live on Mars

A 'city-killer' sized asteroid is being carefully watched by astronomers as it zooms towards the Earth, with its closest approach in a century set to be livestreamed online next week

Virgin Galactic has announced it will begin selling private 90-minute space trips to 'the general public' - if by 'the general public' you mean people with a spare £330,000 lying around