A new study suggests that spending time in space can actually speed up the physical aging process on a cellular level.

Stem cell aging is potentially worrisome because it diminishes the body’s natural ability to repair tissues and organs.

For years, doctors and scientists have tracked how space changes the human body. Astronauts often come back with weaker ...

As the number of space travelers is increasing through commercial missions, it becomes more important to understand how space affects the human body. A team led by researchers at Baylor College of ...

Space travel accelerates the aging of human stem cells, reveals new research. Spaceflight speeds up the aging of cells which ...

What if spinning molten uranium at thousands of revolutions per minute held the secret to halving the travel time to Mars?

Chromosomes are structures made of protein and DNA code, and would unravel and lose proper function without the telomeres keeping them intact, according to the National Human Genome Research Institute ...