Elon Musk has reignited the debate over extraterrestrial life, saying the absence of detectable alien signals raises ...

Scientists searching for extraterrestrial intelligence are testing a new possibility: alien civilizations might transmit ...

Sciencephile the AI explains the idea that advanced extraterrestrial societies could abandon biology and exist as machine ...

Complex, intelligent life in the galaxy appears vanishingly rare, with the nearest possible civilization perhaps 33,000 light-years distant. Yet despite the odds, scientists insist that continuing the ...

Finding a signal from an extraterrestrial civilization takes more than just pointing a telescope in the right direction. We ...

Is anybody out there? Probably. Most stars have planets; we've discovered more than 6,000 exoplanets thus far, and the most basic statistics point toward the existence of countless potentially ...

Add Yahoo as a preferred source to see more of our stories on Google. A high-frequency SETI search using ALMA opened new radio bands and showed that past surveys may have covered millions more stars. ...

Scientists searching for advanced alien civilizations have detected a mysterious signal in data from the world's largest ...

What if aliens were building a massive power plant?Last time, I talked about the "Kardashev scale," which classifies the ...

For decades, SETI researchers have focused on finding narrow-band radio signals that might stand out from the natural universe. But what if an advanced civilization that wanted to communicate would ...

When gazing at the countless stars shining in the night sky, have you ever wondered about this?"Is there life other than on ...