Abraham Loeb has theorized that the recently discovered interstellar object 3I/ATLAS could be alien technology, but ASU's Planetarium Director Kenneth Carrell believes it is more likely to be a small rocky object that was flung out of another star system.

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

Most astrophysicists widely agree 3I/ATLAS displays all the telltale signs of an icy comet. Now, a trio of researchers led by Avi Loeb, a controversial astrophysicist from Harvard University,