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

He led the establishment of the Planetary Defense Coordination Office at NASA in January 2016. Prior to NASA, he served 23 years of Air Force active duty working on a host of national security ...

NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting ...

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

Dr Kelly Fast is the space agency’s acting NASA Planetary Defense officer and will explain the technologies being created to ...

NASA's long-term space initiatives—from satellite networks to planetary terraforming—are sparking new fears about their ...

NASA is working on a new space observatory, NEO Surveyor, the first spacecraft designed to assess the threats of asteroids well in advance. The mission launch date is expected to be in the fall of ...

Tokyo, April 15 (Jiji Press)--As there are many small asteroids that carry the risk of crashing into Earth's surface, the idea of planetary defense to prevent such disasters is becoming more ...

NASA is actively working on planetary defence against asteroids that could threaten Earth. Their new documentary highlights efforts being made. Asteroids are unpredictable and can cause massive ...

Three Tucson scientists are featured in "Planetary Defenders," a new NASA documentary that premieres Wednesday about the ...