President Donald Trump said he ordered two nuclear submarines near Russia after what he called "foolish and inflammatory" ...

A social media war of words between US President Donald Trump and Dmitry Medvedev, a former Russian president and current deputy chairman of Russia's Security Council, had led to the apparent ...

The Space Force has an array of sensors scattered around the world to detect and track satellites and space debris. The 18th ...

More than three years into Russia's full-scale invasion, Ukrainians across the country retreat each night to bomb shelters ...