NASA astronaut Scott Kelly has tried to discreetly tell the world he draw aliens during his year in space, according to UFO conspiracy theorists. A video being shared online has suggested the US astronaut who spent 340 days on the International Space Station (ISS) - the longest ever stint - was bursting to tell the world about what he saw. However, it says Mr Kelly let it slip out in a more subtle way because of an alleged cover up by NASA and the US Government. YouTube channel Paranormal Crucible started the rumour in a video it posted online called 'Astronaut talks about aliens during interview'. The narrator of the conspiracy channel's video points to a comment Mr Kelly made while discussing his body's response to being in space for so long during an interview. The video said: "Scott Kelly made two bizarre comments regarding extra terrestrials. "Although it's unclear whether Kelly was actually joking or not, it appeared quite strange he would mention the word aliens in response to