Butch Wilmore and Suni Williams left the International Space Station in a SpaceX capsule early Tuesday, checking out with the cosmonaut and astronaut.

A top Space Force general said Tuesday that commercial systems have observed Chinese satellites rehearsing “dogfighting” ...

U.S. President Donald Trump said aid to Ukraine was not discussed in his call on Tuesday with Russian President Vladimir ...

The move is being discussed as part of a possible restructuring of combatant commands that would help the Defense Department ...

Benjamin Netanyahu has definitively ended the Israel-Hamas ceasefire with a deadly wave of airstrikes on Gaza. We speak to ...

Democratic lawmakers are criticizing Trump administration officials for earmarking defense funding for political theater.

Alphabet, Google's parent company, announced on Monday that it is spinning off wireless communications project Taara into an independent company.

Russian President Vladimir Putin agreed to a proposal by U.S. President Donald Trump for Russia and Ukraine to stop attacks ...

On an episode of “The Story Behind the AP Story,” Associated Press space writer Marcia Dunn discusses the space odyssey of ...