It was like Grey's Anatomy in microgravity. A NASA astronaut developed a blood clot (deep vein thrombosis, or DVT) in the jugular vein partway through a long-term mission on the International Space ...

Are astronauts more likely to develop blood clots during space missions due to zero gravity? That's the question NASA is trying to answer with help from UNC School of Medicine's Stephan Moll, MD, ...

(CNN) -- When astronauts encounter a medical risk on the International Space Station 250 miles up from the Earth's surface, it's not exactly easy for a doctor to make a house call. So when NASA ...