biosecurity /newsroom/ en Alien organisms – hitchhikers of the galaxy? /newsroom/news/list/2021/11/18/alien-organisms-hitchhikers-of-the-galaxy Scientists warn, without good biosecurity measures ‘alien organisms’ on Earth may become a reality stranger than fiction. November 18 2021 Kelly Brown /newsroom/news/list/2021/11/18/alien-organisms-hitchhikers-of-the-galaxy