Launched on October 4, 1957, Sputnik 1 was an 84-kilogram metal sphere with four antennas and a simple radio transmitter.

The magnetic loop antenna is a familiar sight in radio amateur circles as a means to pack a high performance HF antenna into ...

A surge of AI-generated fake news sites based in India is targeting South Africans with fabricated stories – here’s how to ...

Take an afternoon drive around an urban or suburban area anywhere in the Midwest. Look at the houses. What is missing from these homes that would likely have been there 50 years ago? Give up? How ...

A top-secret Russian unit based in Moscow has changed the landscape of drone warfare, turning what was an advantage for the ...

New data reveals black hole jets can accelerate at speeds defying all physical laws, leaving astronomers without a clear ...

Birds migrate in such huge flocks that they create a giant cloud that shows up on weather radar. For ages, meteorologists ...

THERE was a time when the radio was the main source of news and entertainment. It was more than a box with knobs and wires — ...