THE KARDASHEV SCALE. We have no idea what an alien civilization would look like. Humans are evolved primates. What if an alien species is reptilian? Or more like an insect? Or a hybrid of these? Or ...

Astrobiologists propose that alien civilizations need accessible coal deposits to industrialize exoplanets and become detectable from Earth.

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 ...

"I really wanna see the mass driver on the moon that is shooting AI satellites into deep space. Just going like 'shoom, shoom,' just one after the other." ...

After searching 100,000 galaxies for signs of highly advanced extraterrestrial life, a team of scientists using observations from NASA's WISE orbiting observatory has found no evidence of advanced ...

Add Yahoo as a preferred source to see more of our stories on Google. Sometimes it seems like we got to the galactic party late and everyone has already gone home. Our species only figured out how to ...