Proteins circulating in the blood could accelerate the aging of blood vessels and increase silent cardiac risk.

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Protecting astronauts from the punishing effects of spaceflight has quietly become one of the most productive health experiments in history. In orbit, the human body ages faster, bones thin, muscles ...

There are times when you look in the mirror in the morning and suddenly feel as though your facial skin has sagged downward. Observing nasolabial folds stretching vertically above and below the ...

NASA is looking for ways to keep three aging Earth observation satellites in operation as their power supplies dwindle. Terra, Aqua and Aura were launched between 1999 and 2004. They have run out of ...