The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs of alien life. Despite its extensive efforts, the universe remains eerily ...

Astronomers hunting alien signals say turbulent stellar plasma around distant worlds may be scrambling extraterrestrial transmissions before they ever reach Earth, according to a new study published ...

When/if alien life ever cruises toward Earth in big spaceships, we’re probably not just going to see it; we’re going to hear it via narrow radio signals. If an extraterrestrial civilization wanted to ...

In 1967, astronomers detected mysterious radio signals that repeated with astonishing regularity. Scientists even considered ...

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 ...

The origin of the millisecond-long flashes of radio waves is unknown. Most scientists believe they are generated by powerful astrophysical phenomena such as black holes or superdense neutron stars.

Scientists have long predicted that as long as there are countless stars like the Sun in the universe, intelligent life should exist on other planets, just as it does on Earth. However, for decades, ...

Seventy-five years ago, a group of Dutch astronomers made a remarkable discovery. Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful ...

The Genesis project would be of no benefit to humans. We probably would not survive to see life evolve iStock Scientists say bad space weather may be one reason alien tech signals have not reached our ...