Scientists continue to explore one of humanity’s biggest questions: are we alone in the universe? This documentary examines the modern search for intelligent alien life, from advanced telescopes and ...

It categorizes advanced civilizations by measuring their technological advancement based upon the amount of energy they are capable of harnessing and using. They also propose an alternate scale based ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

Earth may already be broadcasting its presence to alien civilizations without realizing it. A new study shows that our deep-space transmissions, especially those aimed at Mars and interplanetary ...

Add Yahoo as a preferred source to see more of our stories on Google. As the universe ages, so too do its stars. The Sun, our life-giving star, will eventually fade, plunging Earth into an eternal ...

The Search for Extraterrestrial Intelligence (SETI) is a dream of humanity, but advanced extraterrestrial civilizations do not necessarily communicate in the same way as humans. A paper published on ...

When people say 'unknown civilization', it makes us want to think of the vast outer space, but it is said that a civilization with extremely advanced science and technology may have existed on the ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

“There is a silence in the night sky that has bothered me for as long as I can remember.” That line, attributed to Richard Feynman, lands because it gets at a simple, stubborn feeling. The sky looks ...