This Pioneering Astronaut Made A Bold Claim About The Existence Of Alien Life

In 1991 Helen Sharman made history when she became the first British person to leave planet Earth. Then, after heading off into the atmosphere, the research chemist spent just over a week on board the space station Mir with a team of Soviet cosmonauts. So, she knows more than most about what lies beyond our planet. And when Sharman gave her surprising thoughts on the likelihood of extraterrestrials, they made plenty of headlines.