ScienceSierra Nevada Corp. challenges NASA-Boeing/SpaceX $6.8 billion space taxi deal: Source selection process smack of 'inconsistencies' Sierra Nevada claims the selection process that awarded Boeing and SpaceX the multibillion dollar space taxi deal has inconsistencies; claims its Dream Chaser could have saved the government $900 million.by Rhodi Lee
ScienceMars rover Curiosity drills into Mount Sharp to collect samples and finds mysterious 'ball'by Rhodi Lee
ScienceMaven, Mangalyaan celebrate Mars orbit entry by sending back first photos of Red Planetby Rhodi Lee
CultureSpace buddies? NASA's Mars rover Curiosity tweets hello to India's Mangalyaan probeby Jan Dizon
ScienceSpace Station gets new mice and its first 3D printer for out-of-this-world scienceby Jim Algar