NASA astronaut James Irwin salutes the American flag during the Apollo 15 mission in 1971. Irwin experienced irregular heart rhythms while on the lunar surface, and suffered at least two serious heart ...

NASA astronauts on the Apollo missions to the moon, flown in the 1960s and 1970s, are the only humans to have flown beyond the protective magnetic shielding of Earth -- and a new study shows that ...

Astronauts are on average highly educated and have access to top-notch medical care. Their health outcomes are subsequently usually better than the general population. So why are some Apollo ...

Apollo astronauts who traveled to the moon are at up to five times greater risk of dying from heart disease than low-orbit shuttle astronauts, US researchers said Thursday. Of the seven Apollo ...

There were tears and cheers as Buzz Aldrin and Neil Armstrong took their steps. Fifty years ago this week, the Apollo 11 astronauts -- Neil Armstrong, Buzz Aldrin and Michael Collins -- suited up as ...

NASA astronauts on the Apollo missions to the moon, flown in the 1960s and 1970s, are the only humans to have flown beyond the protective magnetic shielding of Earth — and a new study shows that ...

Astronauts, by occupation, are healthier than the general population and have continued access to excellent medical care, but new research suggests they might be particularly vulnerable to dying from ...