Harvard University Astronomers from Harvard University suggest that the interstellar object 'Oumuamua may be an extraterrestrial solar sail from an alien civilization, in an effort to help explain the object's "peculiar acceleration".
Asteroid belt exploration NASA's "Dawn" spacecraft exhausts all of its hydrazine fuel propellant and without a functioning maneuvering system enters into uncontrolled motion around dwarf planet Ceres, thus ending its 11-year mission.
Sports Minister British Sports Minister Tracey Crouch resigns amid controversy over a delay on regulating fixed odds betting terminals.
Meaza Ashenafi Meaza Ashenafi becomes the first woman in Ethiopia's history to preside over the Supreme Court.
Capital punishment in Tennessee The state of Tennessee executes Edmund Zagorski, a man convicted of the April 1983 murders of John Dotson and Jimmy Porter, making it the first time the state has executed an inmate by electrocution since 2007. Zagorski requested that he be executed via electrocution.
Greece–Republic of Macedonia relations Commercial air travel resumes between Greece and Macedonia for the first time since 2006.
Legalization of Medical cannabis becomes legal in the United Kingdom as the National Health Service can now prescribe it to some patients, including those with cancer, severe forms of epilepsy, and multiple sclerosis.
2018 Chongqing bus crash Chinese police announce that the driver of the bus that plunged into the Yangtze River in Chongqing, China, on October 28 was arguing and fighting with a passenger moments earlier, causing the accident.
2018 European floods The death toll from heavy floods and strong winds affecting Italy rises to 17 people.
Lion Air Flight 610 Indonesian divers retrieve the flight data recorder from the ocean near Karawang, Indonesia, where the plane had crashed three days prior.
2018 Pacific typhoon season The death toll from landslides and floods caused by Typhoon Yutu in the Philippines rises to 15 people. One man died in Hong Kong, China.