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

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

A mysterious interstellar object, 3I/ATLAS, has sparked debate among scientists. Harvard astrophysicist Avi Loeb suggests it ...

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

British scientist Stephen Hawking was publicly adverse to sending messages into space to attract aliens, with comments ...