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

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 ...

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

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

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

A new study shows how the Sun and Earth's atmosphere destroy life-bearing meteoroids before they reach the planet.

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 ...