In a groundbreaking discovery, astronomers have detected a unique, repeating cosmic radio signal originating from an unknown object in space. The mysterious signal, detected every 44 minutes, is ...

After the Big Bang, the Universe entered a long, dark period before the first stars formed. During this era, hydrogen emitted a faint radio signal that still echoes today. New simulations show this ...

Police and firefighters could lose radio communication inside those buildings despite a state law meant to prevent that. Fort Lauderdale Fire Inspector Cedric Daniels checks the radio signal strength ...

Astronomers in Australia picked up a strange radio signal in June 2024 — one near our planet and so powerful that, for a moment, it outshined everything else in the sky. The ensuing search for its ...

A scan of a color copy of the original computer printout bearing the Wow! signal, taken several years after the signal's 1977 arrival. Public domain In 1977, astronomer Jerry Ehman was shocked to find ...