For researchers seeking answers to the question of whether we are alone in the universe, one event nearly half a century ago lingers even today — the so-called "Wow! Signal" detected back in 1977.

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In 1977, astronomers received a powerful, peculiar radio signal from the direction of the constellation Sagittarius. Its frequency was the same as neutral hydrogen, and astronomers had speculated that ...

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 ...

On August 15, 1977, the Big Ear Radio Telescope in Delaware, Ohio, received the most powerful signal it would ever detect during its decades of observations. The signal lasted just 72 seconds, but ...

The source of the iconic Wow! signal has been a mystery to science for nearly 50 years. A group of researchers has been studying signals captured by the Arecibo telescope in order to finally uncover ...

In May 2022, the International Journal of Astrobiology published a paper suggesting a candidate source of the WOW! Signal: a possible Sun-like star in the Gaia Archive, 2MASS 19281982-2640123, located ...

The mysterious “Wow!” signal from deep space, caused by a yet unknown astronomical event, was much stronger than previously thought, a new study suggests. “Wow!” is the name given to the enigmatic and ...

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Credit: Big Ear Radio Observatory and North American AstroPhysical Observatory (NAAPO). The Wow! Signal has captivated the imagination of scientists and the public alike since its detection in 1977.