"We believe that continuing such activities will further expand our horizon in the field of planetary science." ...

NASA's TRACERS mission blasted off July 23 on a Falcon 9 rocket with three other small agency satellites that will act as technology demonstrators to monitor space weather.

SpaceX got to within 15 seconds of a launch from Cape Canaveral on Monday, but a "hold, hold, hold" call from among the ...

Satellite imagery analysis shows Russia relocating low-altitude radar systems, fueling speculation about strategic changes ...

Power grids, high altitude flights, GPS and even missile defence systems are all vulnerable to the sun's solar storms - ...

New Zealand's Defence Minister Judith Collins speaks at the Five Power Defence Arrangements (FPDA) Defence Ministers’ Joint ...

A shortage of rockets and competition for launch resources appear to be putting the mega-constellation's targets in doubt A Chinese mega-constellation of communications satellites is facing serious ...