Space is hard on the human body. Here's what we're learning

Traveling to space poses many risks to the human body. Since NASA wants to send a manned mission to Mars in the 2030s, scientists need to find solutions for these hazards sooner rather than later.

Research uncovers potential health risks of travel to Mars

The research team has demonstrated for the first time that the radiation encountered in deep space travel may increase the risk of leukemia in humans. The average distance to the red planet is 140 million miles, and a roundtrip could take three years.