An amateur satellite tracker stumbled across the signal, which is coming from Starshield satellites in a "hidden" part of the ...

A team of astronomers in Australia searching for radio flashes from distant galaxies has found something a lot closer to home. The defunct communications satellite Relay 2, out of commission since ...

A signal unlike any other has reached Earth. Detected by the 3I/ATLAS project, this unique transmission wasn't random ...

A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

The mysterious Russian radio station UVB-76, part of the Russian military's shortwave radio network, has been broadcasting a ...

Around midday on June 13 last year, my colleagues and I were scanning the skies when we thought we had discovered a strange and exciting new object in space. Using a huge radio telescope, we spotted a ...

"This is a unique opportunity to learn how the universe's first light emerged from the darkness." Astronomers could use specific radio signals from the universe's earliest epoch to "weigh" the first ...

Despite an earlier announcement that Radio Martí was back on the air following a presidential executive order that suddenly halted the U.S.-funded radio broadcasting to Cuba, its signal is probably ...

It’s classic radio jargon, referring to the six most crowded frequencies in the AM radio band: 1230, 1240, 1340, 1400, 1450 ...

The Allen Telescope Array, Hat Creek Radio Observatory. Credit: Alexander Pollak. Radio interferometry is a technique in radio astronomy where signals from two or more radio telescopes are combined to ...

A team from the Faculty of Physics and the Center for Quantum Optical Technologies at the University of Warsaw has developed ...