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 ...

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

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.

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

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

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

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

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