Scientists have built a bird-inspired robot with legs that can walk on the ground, hop over obstacles and jump into flight, an advance that may lead to the development of drones for complex terrains.

U.S. and Ukrainian officials are holding talks in Saudi Arabia on ending the war in Ukraine. Secretary of State Marco Rubio, heading the U.S. delegation, suggested Ukraine will have to agree to let ...

The landing legs stuck up in the air and the melted body of the rocket hung off the side of the drone ship — making the first-stage booster nearly unrecognizable to casual observers. The only ...

But after the first-stage booster successfully landed atop a SpaceX drone ship in the Atlantic Ocean, a fire in the aft end ...