Elon Musk, President Donald Trump's billionaire ally, joked Thursday that he isn't a Russian asset because Russian President ...

A high-flying war of words is underway after SpaceX CEO Elon Musk claimed two NASA astronauts had been stranded in space for political reasons.

It is true that science is embedded within human culture and therefore will carry some expression of human bias. However, ...

Lockheed Martin spacecraft will support the Proliferated Warfighter Space Architecture, tracking threats in the hypersonic ...

The military keeps in-flight details on the X-37B relatively quiet. A new photo gives the first look at what the view is from ...

The chief counsel of the Bureau of Alcohol, Tobacco, Firearms and Explosives was fired and escorted out of her office, sources familiar with the matter told ABC News.

During the first six missions, the X-37B spent more than 3,774 days in orbit. It launched on its current mission, OTV-7, on ...