spaceflight
The Latest
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                    DNA Mutations Found In Astronauts' Blood: StudySuch mutations do not necessarily mean that the astronauts will develop cardiovascular disease or cancer, but there is a risk, researchers say.  Such mutations do not necessarily mean that the astronauts will develop cardiovascular disease or cancer, but there is a risk, researchers say. 
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                    New Biomaterial Could Shield Astronauts From Harmful RadiationA new form of melanin has the ability to protect human tissue from harmful radiation during spaceflight.  A new form of melanin has the ability to protect human tissue from harmful radiation during spaceflight.