A NASA scientist has suggested there may be life in the seas of a dwarf planet saying astrobiologists are constantly ...

A mystery object tearing towards Earth at break-neck speed has raised fears that aliens are on their way here.

The theoretical physicist at Harvard University, Avi Loeb, believes it might be a ' potentially hostile ' alien craft ...

An unidentified flying object has been spotted hurtling towards Earth, and one expert believes it could be the first evidence of extraterrestrial intelligence.

Scientists are investigating more details about a 'potentially hostile alien threat' moving through our solar system ...

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 ...

That strange interstellar object flying by us may, according to one outlandish astronomer, have been sent by aliens to see ...

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

NASA astronomers have witnessed the movement of the fastest ever comet seen so far and using Hubble Space Telescope clicked ...

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