Scientists have been left baffled after a zombie satellite sent a powerful burst of radio waves after decades of silence.

Learn how a deactivated satellite sends signals from beyond, not by reviving its systems, but by inadvertently setting off ...

Last year, astronomers detected a powerful burst of radio waves from within our galaxy. Researchers now say it came from NASA ...

A powerful and mysterious blast of radio waves that astronomers believed was a fast radio burst (FRB) from far beyond the ...

Mountains, sub-glacial lakes, hidden valleys, even remnants of lost civilizations: what lies under Antarctica’s vast ...

A new technique for secure information transmission in a mobile environment is described. This technique uses the short term reciprocity of the radio channel so that information is intelligible only ...