The likelihood is that they will turn out to be radio frequency interference — but it's worth checking, scientists say. When you purchase through links on our site, we may earn an affiliate commission ...

Whether or not aliens exist, the SETI program has never stopped believing. Yet today, radio telescopes are no longer seen as the best way to ...

If a Galactic Internet is out there, we may be like fish swimming through the ocean, unaware of the undersea cables carrying vast streams of information around us. The data may be flowing right past ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 'signals of interest' with the world's largest radio telescope. When you purchase through links on ...

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 ...

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 ...

Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply don’t ...

When astronomers first picked up a perfectly regular radio heartbeat from deep space in 1967, some of them half-jokingly labeled it a message from “little green men.” That signal, from a spinning ...

Alien-hunters are focusing their telescopes on 'pulsar' stars to time their twinkles, giving them a new tool to sift through space signals and spot messages from other forms of life ...