A repeating fast radio burst has just given up one of its biggest secrets. Long-term observations revealed a rare signal flare caused by plasma likely ejected from a nearby companion star. This shows ...
An impulsive X4.2 solar flare sparked strong radio blackouts across Africa and Europe as the giant sunspot continues to rage.
Fired from a vast sunspot, the "coronal mass ejection" is expected to reach Earth on either Thursday or Friday this week.
The Sun has unleashed powerful X-class solar flares, threatening GPS and radio signals on Earth. Learn about the recent radio ...
Out of sight, out of mind? Unfortunately for a lot of recreational boaters, that’s the reality when it comes to handheld signal flares. Stored aboard in some dark corner of the boat, most boaters ...