NASA’s DART mission changed the Dimorphos' asteroid orbit around the Sun, proving spacecraft impacts could help defend Earth.

Here's what scientists have now learned about the DART mission.

Findings support kinetic impact technique for planetary defense.

According to the space agency's tracking, the rock is hurtling through space at more than 21,500 miles per hour.

Scattered between the orbits of Mars and Jupiter lies the main asteroid belt — a vast region filled with rocky remnants left over from the birth of the solar system. These objects, known as asteroids ...

Travelling through the asteroid belt, the European Space Agency’s Hera spacecraft has taken its first images of asteroids. The spacecraft is heading toward asteroid 65803 Didymos and its companion ...