The “Wow!” signal is one of the most famous unexplained radio signals ever recorded, and it still fuels debate decades later. The strangest part is that it was detected only once, for a short moment, ...

This year, the US Congress has heard testimonies from "UFO witnesses", providing more evidence than ever that alien intelligence may have attempted contact with Earth. But what are the pivotal moments ...

The most mysterious interstellar visitor of our time has just spoken. After months of exhibiting bizarre behaviour—including lacking a visible tail and moving on an unprecedented trajectory—the ...

It came from the constellation Sagittarius, precisely where astronomers were hoping to find something unusual. Even more striking, the signal arrived at 1420 megahertz, the frequency of hydrogen, the ...

In 1977, a radio telescope in Ohio received a signal so powerful, so unnatural, that astronomer Jerry Ehman scrawled one word on the printout: 'Wow!'. For nearly five decades, that 72-second burst ...

The mystery behind the famous 1977 “Wow!” signal has gained renewed attention after a Harvard astronomer proposed that the newly observed interstellar object 3I/ATLAS may be linked to the event. The ...

In 1977, the Ohio State University’s Big Ear radio telescope received an unusually strong narrowband radio signal, leading to widespread excitement about the possibility of having encountered evidence ...

As you might expect, the University of Puerto Rico at Arecibo has a fascination with radio signals from space. While doing research into the legendary “Wow! Signal” detected back in 1977, they ...

LaserSETI instruments at Isla Magueyes, Puerto Rico. From left to right: Dr. Abel Méndez, student Francisco Pacheco-Vellón, Dr. Franck Marchis, Dr. Lauren Sgro, and LaserSETI Principal Investigator ...