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  1. ITV Report

Astronaut twins to embark on pioneering NASA space study

A set of identical twins are hoping to provide NASA with a better understanding of the effects of long-haul space travel on the human body.

Scott Kelly is aiming to spend an entire year living aboard the International Space Station, a feat which would set a NASA record, whilst his twin brother will stay on the ground.

This one-of-a-kind experiment will help scientists prepare for a manned mission to Mars, which would be an 18-month roundtrip.

The mission is expected to launch in Kazakhstan on 27 March.