'Manned mission to Mars could threaten life on the Red planet'

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Press Trust of India London
Last Updated : Jan 25 2013 | 5:33 AM IST

Scientists say a swarming mass of 100 trillion microbes will travel with every astronaut who may land on Mars.

While these microbes have evolved over thousands of years to help humans do everything from digesting their food to keeping bacteria from killing them, there's no telling how they might interact with the Martian environment, the Daily Mail reported.

"We have the responsibility to Mars, I think

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First Published: Oct 29 2012 | 5:55 PM IST