NASA debuts free documentary on the race to stop killer asteroids

NASA debuts free documentary on the race to stop killer asteroids

NASA has just premiered Planetary Defenders, a fascinating documentary looking at the high-stakes work geared toward protecting Earth from large asteroids spotted coming our way.  The 75-minute production (above) features the astronomers and scientists who are working tirelessly to identify and monitor asteroids considered a potential threat — including, briefly, this one that made headlines […]

New NASA documentary features Tucson-based asteroid trackers

Three Tucson scientists are featured in "Planetary Defenders," a new NASA documentary that premieres Wednesday about the effort to track and possibly deflect asteroids endangering Earth.

'Planetary defense is knowing what's out there and what could do harm to us.' Meet the scientist who helped build NASA's asteroid response plan

A Q&A with Lindley Johnson, a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an asteroid or comet.

NASA has doubled the chance of an extraordinary cosmic event.

In Defense of Planetary Defense – Meet the Chief Architect of NASA’s Planetary Defense Program

I n case you haven’t noticed, you may be sleeping better at night. The cosmic dream state you’re in could include mind-bending thoughts about an impending asteroid impact on Earth. That’s messy business. Moreover, that space rock intrusion here on Earth can, and already has, meant doom and destruction. But where are we today in […]