Polaris Dawn crew flies higher than 1966 Gemini 11 orbital record
Space MacGyver: NASA astronaut and inventor Don Pettit eager to return to ISS on Sept. 11
Bright lights detected by NASA telescopes lead to a dancing pair of supermassive black holes
Early puberty may be linked to a common chemical used in personal care products
Elon Musk's pet dog inspires young girl's design for Polaris Dawn zero-g indicator
SpaceX's historic private Polaris Dawn astronaut launch lights up predawn sky (photos)
As warming threatens polar bear tourism and the ground below, a Canadian town adapts and thrives
SpaceX launches private mission that's expected to feature first all-civilian spacewalk
