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

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

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

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

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

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

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

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

I/ATLAS is just the third recorded interstellar object to enter the solar system. However, the scientific consensus is that ...

Confirmed as an alien comet, new observations have given us a much better idea of how large this interstellar object actually ...

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