The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to protect Earth from the threat of an asteroid impact. By smashing a ...

NASA’s Lucy spacecraft flew by asteroid Dinkinesh and made a surprising discovery, a close binary! Preliminary statistics show that Dinkinesh is ~0.5 miles (790 m) wide and the binary asteroid is 0.15 ...

NASA’s asteroid impact changed Dimorphos’s orbit, but another strange shift followed. Scientists are still searching for ...

A new study has challenged a popular explanation for the unexpected 30-second shortening of Dimorphos's orbital period. The ...

In a mission that evokes images of the 1998 film "Armageddon," NASA next month will launch a spacecraft that it plans to deliberately crash into a near-Earth asteroid in the hopes of testing planetary ...

DART, the Double Asteroid Redirection Test, proved to be an unqualified success when it slammed into the 560-foot-wide (170 meters) asteroid Dimorphos, altering its orbit around the larger space rock ...

The world’s first full-scale planetary defense test is in motion. The mission is called DART and what scientists learn from it could save humankind from a future catastrophic event. Nancy Chabot is a ...

CHICAGO -- A NASA spacecraft has intentionally slammed into an asteroid in humanity's first test of planetary defense. The impact occurred at 7:15 p.m. ET greeted by cheers from the mission team in ...

A NASA planetary defense mission will ride to space atop a SpaceX rocket two and a half years from now. NEO Surveyor will lift off atop a Falcon 9 rocket from Florida's Space Coast no earlier than ...

Hera, European Space Agency’s (ESA) flagship planetary defense mission that launched in October 2024, took images of Mars and Deimos, one of its two moons, March 12. The mission’s flyby was used as a ...