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

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

Avi Loeb, the chair of the astronomy department at Harvard, has suggested that 31/Atlas could be an alien probe on a “reconnaissance mission”.

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 ...

"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 ...

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

Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

Harvard astrophysicist Avi Loeb suggests a comet passing through the solar system may be an alien spacecraft, sparking debate among experts.

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