SpaceThe sun is killing off SpaceX's Starlink satellites There have never been so many satellites orbiting Earth as there are today, thanks in part to the launch of mega constellations like SpaceX's Starlink internet service - and now we are learning just how the sun's activity can affect them News
TechnologyMillions of phones create most complete map ever of the ionosphere Researchers mapped Earth’s ionosphere, part of the upper atmosphere, using signal data from 40 million phones – a method that could improve GPS accuracy and help track space weather News