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

A newly spotted interstellar comet is passing through our solar system at a blistering speed of 130,000 miles per hour, ...

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

Mankind must decide how it’s going to deal with contact with extraterrestrials — and time could be running out, one expert ...

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 to theoretical physicist Avi Loeb.

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 ...

In a universe teeming with mysteries, a Harvard scientist is once again pushing humanity to confront one of the most profound ...

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

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.

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