Company in Texas has been working to develop its revolutionary engine . el Astra 's Vasimr engine could apparently get to Mars in 90 days . It is one of several advanced research projects to be funded by Nasa . Others include new models of habitation and small deep space satellites .
Company in Texas has been asked to develop its revolutionary engine . Ad Astra 's Vasimr engine could apparently get to Mars in 39 days . It is one of 12 advanced technology projects to be funded by Nasa . Others include new types of habitation and small deep space satellites .