In 2018, he suggested that alien space craft may be in the Solar System, using ʻOumuamua as an example. In 2023, he claimed to have recovered material from an interstellar meteor that could be evidence of an alien starship, which some experts criticized as hasty and sensational, and other experts showed that Loeb mistook ordinary truck traffic for a seismic evidence of the meteor, causing him to look hundreds of miles in the wrong direction.
In 2018, he suggested that alien space craft may be in the Solar System, using ʻOumuamua as an example. In 2023, he claimed to have recovered material from an interstellar meteor that could be evidence of an alien starship, which some experts criticized as hasty and sensational, and other experts showed that Loeb mistook ordinary truck traffic for a seismic evidence of the meteor, causing him to look hundreds of miles in the wrong direction.