Genetics

Does your DNA really change in space?

Results from an important NASA experiment – in which astronaut Scott Kelly spent one year in space while his identical twin brother Mark stayed on Earth – have started to come in. Last week, a number of media outlets ...

Medical research

Space station crew takes a breather with lung tissue investigation

The microgravity environment of the International Space Station impacts nearly every system within the human body. Researchers are studying the effects to the eyes, heart, muscles, and bones, but an area that hasn't received ...

Health

Spaceflight wreaks havoc on liver metabolism

The latest findings of a series of studies on mice that examined harmful effects caused by spending time in space show that gene expression related to liver metabolism is altered in response to the space environment. The ...

Cardiology

Study finds astronauts' hearts become more spherical in space

New findings from a study of 12 astronauts show the heart becomes more spherical when exposed to long periods of microgravity in space, a change that could lead to cardiac problems, according to research to be presented at ...

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