A NASA satellite that’s been orbiting as space junk since 1967, Relay 2, emitted an unexpected, powerful radio burst that ...

From the front lines of the Cold War to the trenches of Ukraine, archival photos tell the story of Radio Free Europe, which ...

A magnetic resonance imaging (MRI) scan uses a strong magnetic field and radio waves to create detailed images of the organs and tissues within the body. MRI can help with viewing injuries, tumors ...

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