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 ...

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

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

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

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

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

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have proposed a new explanation for some of the universe's ...

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

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