A BIZARRE academic study has left readers wondering if another society could have called Earth home before humans occupied the planet. The research taps into the innate human desire to know if we are ...

Skeptics have long questioned why UFOs, if they are alien craft, would visit Earth so often. But two Harvard scientists suspect the beings may have been here all along. In a new research paper, they ...

NEW RESEARCH speculates why aliens have never visited Earth – and it could spell danger for mankind. Researchers posit that alien civilizations could be doomed to either stagnate or die before they ...

The Kardashev Scale is one of the most widely discussed scientific frameworks for measuring the technological advancement of civilizations, from planetary energy use to controlling entire galaxies.

A wild new theory has claimed the origins of life on Earth were delivered by aliens who were terraforming the planet into a habitable world billions of years ago. Robert Endres, a scientist from ...

Add Yahoo as a preferred source to see more of our stories on Google. Collage of a telescope under a starry sky and a planet in space. Earthlings, brace yourselves: the galaxy may be emptier than your ...

Any alien civilisation near Earth will have to be more technologically advanced than humans to find them, reveals a new study. Researchers, including those from Manchester University, used ...

Scientists have discovered a 'super–Earth' planet less than 20 light–years away, and it could have the right conditions for alien life. The exoplanet, dubbed GJ 251 c, is at least four times larger ...

Aliens seeking to get in touch with humans on Earth would have two major obstacles to overcome, an expert has warned. Debate over the existence of extraterrestrials continues to rumble on and possible ...

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