The Halfloop encryption algorithm used by the US military and NATO to protect shortwave radios contains serious IT security ...

Since World War One, numbers stations have been transmitting coded messages to spies around the world using shortwave radio. And they're still transmitting right now. We're going to listen to a few in ...

Join hosts Emily Kwong and Regina Barber for science on a different wavelength. If you're hooked, try Short Wave Plus. Your subscription supports the show and unlocks a sponsor-free feed.

A festive auroral display may be put on for a lucky few when coronal mass ejections hit Earth on Christmas Eve and Christmas Day.

provides more detail about the flare's energy level. Following the eruption of an X-class solar flare, shortwave radio blackouts were observed over southern Africa, the area illuminated by the sun ...

Powerful eruptions from the sun are likely to interact with Earth's atmosphere on New Year's Eve, causing auroras in some ...

Shortwave radio is often used by the military, emergency services and industries that require extremely robust long-distance communication without external infrastructure. But the half-loop ...