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

Massive interstellar object 3I/ATLAS, larger than Manhattan, shows unusual glow pattern and planetary alignment that Harvard ...

Mankind must decide how it’s going to deal with contact with extraterrestrials — and time could be running out, one expert warned — after he sounded the alarm that an incoming ...

The plot of the movie Independence Day could soon become reality—as early as this November. According to Harvard astronomer ...

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

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

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

A cosmic visitor is stirring up an earthly debate. A Harvard University astrophysicist has suggested the incoming ...

"We should put all possibilities on the table that it's a rock, a comet, or something else until we get the evidence, the ...

A new interstellar object in the solar system should be investigated for the possibility that it's an alien craft, according ...