Aerospace engineers have to consider numerous factors when designing a spacecraft, but one that comes up more and more often ...

Scientists expect to learn even more about the impact’s aftermath when the European Space Agency’s Hera spacecraft reaches the asteroids in November. Dimorphos is 525 feet in diameter. Fast-spinning ...

The Falcon 9's upper stage will hit the Moon at seven times the speed of sound. Details here.

This excerpt from "NASA: The 25th Year" shows the final sequence of images from one of the successful Ranger spacecraft that impacted the Moon 1964-1965. The Ranger spacecraft were designed to fly ...