Some 22,500 miles above Earth, a spacecraft filled with thruster fuel will gas up two orbiting Space Force assets.

Elon Musk revealed his plan to send Tesla's Optimus robots to Mars. SpaceX's Starship rocket will carry the robots. The ...

Volodymyr Zelenskyy has accused Russia of actively recruiting fighters in China, which Moscow and Beijing deny. Ukraine's leader earlier claimed 155 Chinese citizens were fighting for the Russian ...