United Launch Alliance CEO Tony Bruno says the US needs to develop a space vehicle that can take out satellite-killing ...

A Russian spacecraft launched higher than most satellites has long had the Pentagon worried — and new revelations about what ...

Most civilian satellites are very sensitive to high-energy radiation and an atomic explosion in low Earth orbit would ...

Russian President Vladimir Putin refused to send Syrian mercenaries from the temporarily occupied territories of Ukraine to ...

Today US officials told the New York Times that they believe the satellite is testing components for a Russian space weapon and US Space Command is monitoring it daily for signs of a threat.

The Japan-based U.S. military unit will bolster the host country's space surveillance and missile warning capabilities.

Iran says it conducted a successful space launch, the latest for its program the West alleges improves its ballistic missile ...

According to a Congressional Research Service summary, Dark Eagle is a truck-launched system that fires hypersonic missiles ...