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

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

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...

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 ...

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar ...

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

Harvard's Avi Loeb proposes that the interstellar object 3I/Atlas may be an alien reconnaissance mission. The comet's unusual trajectory and brightness have sparked this theory.

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

The strange 3I/ATLAS comet that was recently discovered to be speeding through our solar system could actually be the work of ...

The Hubble Space Telescope captured the best picture yet of a comet visiting our solar system from another system. The photos ...