Human reproduction will be possible on Mars because sperm can survive there for up to 200 years, astudysuggests.

The findings were part of a six-year experiment in which scientists kept mouse sperm on the International Space Station and exposed it to radiation.

As The Daily Mail reports, researchers had believed radiation in space would destroy human DNA and make breeding impossible. Cancer caused by the radiation was another concern.

But after six years, scientists found that the mouse sperm stored on the space station was still healthy.

They also exposed it to X-rays on Earth and discovered it did not affect fertility.

One of the study's authors, Professor Sayaka Wakayama, of Japan's University of Yamanashi, told The Daily Mail: "Many genetically normal offspring were obtained. These discoveries are essential for mankind to progress into the space age."

"When the time comes to migrate to other planets, we will need to maintain the diversity of genetic resources, not only for humans but also for pets and domestic animals," he added.

Mars exploration has ramped up this year, as NASA's Perseverance rover and Ingenuity helicopter continue to look for signs of life on the planet.

Ingenuity, which is carried inside Perseverance's belly, recently completed its seventh flight on Mars. As reported by Insider's Kate Duffy, Perseverance is due to travel three miles across Mars over the next few months.

The rover's trip will help NASA understand the geology of Jezero Crater, the agency said in a statement.

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Mars: Humans able to reproduce on planet, sperm can survive for 200 years - Business Insider