The spate of difficulties comes days after the US National Oceanic and Atmospheric Administration (NOAA) issued a warning ...

Some 13,000 years ago, the sun emitted a huge belch of radiation that bombarded Earth and left its imprint in ancient tree rings. That solar storm was the most powerful one ever recorded. The next ...

China has developed asymmetric weapons known as assassin’s maces that could cripple America’s infrastructure, and Congress ...

Reliable battery life, broad GNSS support, and a competitive price make Garmin's eTrex Solar a top-notch GPS tracker.

Beyond its satellite network, China has also built nearly 300 ground-based backups, fibre-optic networks to transmit accurate ...

Sydney-based Advanced Navigation has unveiled a new navigation device it says can operate when GPS is shut down for long ...