When you're looking for signs of extraterrestrial intelligence, it helps to know what you're looking for and to go about it ...

For more than half a century, the search for extraterrestrial intelligence has been built ...

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 ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly ...

A new peer-reviewed study challenges long-held SETI assumptions, proposing that advanced civilizations might transmit powerful, highly focused beams at specific targets instead of weak, diffuse ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.

Physicist Richard Feynman argued that fundamental limits of physics, biology, and time make interstellar contact between ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...