Aliens keep wiping themselves out before humans get chance to meet them, boffins reckon.

Scientists from US space agency NASA’s Jet Propulsion Laboratory reckon extraterrestrials do not exist for long enough to meet inhabitants of other planets.

And, according to the Great Filter theory, humans could suffer the same fate.

In a scientific paper five NASA researchers suggest ETs may have existed throughout the history of the universe but never hung around long enough to touch base with Earthlings.

Bullshit. Who writes and believes this crap? To read more, click here.