Lindley Johnson has been a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an ...

Earth is hit by asteroids all the time, but to avoid severe damages in the future NASA's Double Asteroid Redirection Test ...

Planetary defense is knowing what's out there and what ... Johnson: I think part of the intense interest and excitement was it was the first time there was an officially triggered notification ...

The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, which is roughly the size at which an asteroid could take out a city, or ...

The Double Asteroid Redirection Test (DART) marked a historic milestone in planetary defense, serving as the first real-world test of asteroid deflection via kinetic impact. The spacecraft ...

NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting Earth from any large asteroids discovered coming our way.

YR4 made headlines in February with the news that it had a chance of hitting Earth on Dec. 22, 2032, as determined by an ...

A nuclear explosion might eventually be Earth’s only way to protect itself from a dangerous asteroid. But preparing for that ...

NASA is bringing the world of planetary defense to the public with its new documentary, "Planetary Defenders." Dr. Shantanu ...

The asteroid first drew the attention of NASA and astronomers when ... Scientists believe such research could help space agencies refine planetary defense strategies in case a future asteroid ever ...