Sending the Juno spacecraft to investigate a newly-discovered interstellar object that a professor suggested could be "alien ...

A leading expert at the University of Oxford has dismissed the wild claims of an interstellar probe arriving on Earth, and ...

Scientists have raised concerns that humanity might face a potentially catastrophic encounter with extraterrestrial beings ...

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...