Harvard astrophysicist Avi Loeb has drawn criticism for suggesting ‘Oumuamua, a weird object passing through the solar system could be an alien spacecraft. But he insists we must keep an open mind when nature throws us a curveball like this, and that the search for extraterrestrial life is just good science.
Read more: https://www.newscientist.com/article/mg24933210-900-avi-loeb-interview-could-oumuamua-be-alien-technology-after-all/