Avi Loeb suggested that NASA may have rushed to conclusions by ruling out the possibility of an artificial aircraft.

Instead, scientists are looking into existing spacecraft already in orbit around other planets. Harvard Professor Avi Loeb ...

A senior Harvard astronomer has reignited speculation about the origins of a vast interstellar object hurtling through the ...

Harvard astronomy department chair Dr. Avi Loeb has suggested that a recently discovered, Manhattan-sized interstellar object ...

Avi Loeb, the chair of the astronomy department at Harvard, has suggested that a Manhattan-sized interstellar object, which ...

Earlier this year, astronomers spotted a mysterious interstellar object, dubbed 3I/ATLAS, hurtling through the solar system ...

A Harvard physicist has asserted that new images of the Manhattan-sized interstellar object rocketing through our inner solar ...

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

A Harvard astronomer is suggesting that an interstellar object nearing Earth could be an engineered object — rather than a ...

A Harvard scientist who claims that an object hurtling through space may not be a comet but in fact an alien probe has said it 'may come to save us or destroy us'.

The object, officially titled 3I/ATLAS, was discovered in July and is currently traveling toward Earth at an estimated ...