SpaceX’s Polaris Dawn mission just made history. But the riskiest part is still to come
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
As warming threatens polar bear tourism and the ground below, a Canadian town adapts and thrives
I’ve visited the same Rocky Mountain subalpine meadow weekly for a decade of summers looking at plant-pollinator interactions – here’s what I learned
