A group of Chinese scientists is diving deep into the cosmos in search of alien radio signals from the TRAPPIST-1 star system ...

Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete ...

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

"Considering the direction and frequency of our most common signals gives insights into where we should be looking to improve our chances of detecting alien technosignatures." When you purchase ...

The recent, widely covered signal that's allegedly got SETI hot and bothered is almost certainly not aliens. But that doesn't mean it's not cool. Share on Facebook (opens in a new window) Share on X ...

Today, the House Science Committee held a hearing on "Astrobiology and the Search for Life in the Universe," discussing the steps we've taken to search for life in outer space. Unfortunately, we're ...