The Space Review

NASA announced last week it was cancelling VIPER, a robotic lunar rover mission, a move that took some by surprise given that the rover was virtually complete after spending nearly half a billion dollars. Jeff …

There is growing concern about the effect of jamming of GPS signals on sectors like aviation. Lauren Miller describes how those concerns can be mitigated by the use of backup systems even as some countries …

Both China and Russia have invested in new signals intelligence, or SIGINT, satellites to eavesdrop on Western communications and specifically for naval reconnaissance. Matthew Mowthorpe examines what is known about those satellites.