The Trump administration has cut off military aid and intelligence sharing as the president seeks to force Ukraine’s capitulation to Putin.

Flight data indicates that a U.S. Navy MQ-4C Triton reconnaissance drone spent 12 hours operating near Iran's southern border ...

Athena is targeting highland terrain about 100 miles (160 kilometers) from the moon's south pole, where it will deploy three ...

Volodymyr Zelenskyy says it's "time to make things right" after his White House argument with Donald Trump. Earlier, Trump paused military aid to Ukraine after lashing out at Zelenskyy again. Listen ...

The use of drones for agricultural purposes is taking off in the U.S., with increasing numbers of farmers seeing improved ...

There is a robotic moon landing happening Thursday. If this feels like déjà vu, it's because a separate lunar lander successfully touched down there just five days ago.