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 ...

Assuming our solar system’s newest interstellar object isn’t an alien mothership sent here to menace us, humankind still hasn’t spotted any signs of extraterrestrial life, let alone intelligence — ...

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 ...

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 ...

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 ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

There are many attempts to get humanity to be found by extraterrestrial civilization, such as the In considering how many hostile extraterrestrial civilizations are in the galaxy, Alberto Caballero, ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty / Futurism Assuming our solar system’s newest interstellar object isn’t an alien mothership sent here to menace us, ...