They’re hole-ar powered. If super-advanced alien civilizations exist, they would surely require insane amounts of energy to ...

Researchers have focused on that part of the radio spectrum on the assumption that an advanced civilization might recognize ...

Imagine you’re an alien astronomer, pointing your telescope toward our solar system, listening for signs of intelligent life. Would you hear us? For decades, scientists have wondered the same thing. A ...

A recent study has renewed discussion about whether advanced extraterrestrial civilisations could leave detectable ...

Add Yahoo as a preferred source to see more of our stories on Google. Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn't frightening ...

A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, raising the chances that it has the conditions to support life.

NASA plans to launch the Habitable Worlds Observatory in the 2040s, a mission whose goal is “to image Earth-like planets around other sun-like stars,” according to NASA’s website.

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien signals entirely, a new study finds. Since the very beginnings of the search ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer them a somewhat risky buffet. There is liquid water, as well as salts, ...