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 ...

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 ...

Asteroid 2024 YR4 has a chance of hitting the moon. To save it from collision, scientists are considering launching a nuclear ...

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 ...