Mysterious 'Oumuamua Object Still Baffles Scientists 3 Years After Discovery A strange and unexplained object, dubbed 'Oumuamua, has been leaving astronomers scratching their heads since its discovery in 2017. This interstellar visitor, which originated from outside our solar system, was first detected by a team of Hawaiian astronomers and has since been the subject of intense study and speculation. Three years on, scientists still can't agree on what 'Oumuamua is or where it came from, with some theories suggesting it could be a comet, an asteroid, or even an alien spacecraft. As researchers continue to analyze data from the object's passage, they may finally uncover the truth behind this enigmatic visitor from beyond our cosmic neighborhood.