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

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 ...

Alien life may not need the kind of home humans instinctively search for. Some of the strangest possibilities begin once ...

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

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

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 ...

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 ...

A new study proposes searching the moon for remnants of ancient extraterrestrial technology. Researchers suggest the moon's surface could preserve microscopic "technosignatures" left by alien ...

Are there intelligent life forms in the universe other than on Earth?When thinking about this question, I am reminded of the ...