South African amateur radio organisation Sarl wants to extend its contributions to other parts of the continent.

"The launch of Sputnik in 1957 and the subsequent proliferation ... student Jocelyn Bell Burnell noticed a strange repeating radio signal in her telescope data. She had no idea what to make ...

As it crossed each nation's sky, Sputnik chirped in the key of A-flat — a burst of sound for 0.3 seconds followed by the same interval of silence, repeated over and over. The repetitive signal ...

At a famous 1950 lunch among physicists, Enrico Fermi wondered, "Where are all the aliens?" How far have we come toward ...

The inclusion of a journalist in an insecure Signal social media chat group between ... posture is something we need,” he said during a radio interview on Wednesday. “When you look at the ...

These anomalies can signal crop failure ... have come a long way since Russia’s Sputnik 1—a beachball-size sphere with four chopstick-like radio antennas—entered orbit, and history, in ...

Russian President Vladimir Putin’s recent comments on potential bilateral talks could signal a shift in diplomacy, while ...

Several days after top national security officials accidentally included a reporter in a Signal chat about bombing Houthi sites in Yemen, a Pentagon-wide advisory warned against using the ...

Radio signal broadcasts have their usefulness, but they eventually end (except, perhaps, for SETI). Every so often, we mark the public end of a once-essential wavelength, such as 3G cellular ...