A respected Harvard professor is once again challenging the scientific community with a controversial claim, urging global ...

Scientists face a race against time to send a message to an "alien" object hurtling towards Earth in a "deliberate" manner.

Harvard scientist Avi Loeb urges global leaders to devise a plan for a potential alien attack, should interstellar object ...

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

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

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 ...

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

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

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

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

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

Avi Loeb, Frank B. Baird Jr. Professor of Science at Harvard University, speaks during the SALT conference in Manhattan, New York City, U.S., September 14, 2022.