Below are URL’s for news articles.
Iowa State Daily, “Researchers study distances from Earth, the use of nuclear weapons to destroy anticipated asteroids”, November 2014:
http://www.iowastatedaily.com/news/academics/article_642f6b8a-54aa-11e4-aa08-1bc7c1049a11.html?mode=jqm
CBS News, “Could nuclear bombs be best defense against asteroids?” , February 2014:
http://www.cbsnews.com/news/nuclear-bombs-could-be-best-defense-against-asteroids
ExtremeTech, “Defending the Earth from asteroids with high-powered nuclear explosions”, February 2014:
http://www.extremetech.com/uncategorized/176845-defending-the-earth-from-asteroids-with-high-powered-nuclear-explosions
NDTV, “Nuclear bombs to destroy earth-bound asteroid in space”, February 2014:
http://www.ndtv.com/offbeat/nuclear-bombs-to-destroy-earth-bound-asteroids-in-space-550989
SPACE.com, “How Nuclear Bombs Could Save Earth from Killer Asteroids”, February 2014:
http://www.space.com/24696-asteroid-strike-nuclear-bombs.html
Iowa State University News, “Iowa State engineers developing ideas, technologies to save the Earth from asteroids”, May 2013:
http://www.news.iastate.edu/news/2013/03/06/asteroiddeflection
Space Safety Magazine, “Hypervelocity Nuclear Interceptor Proposed for Asteroid Impactors”, September 2012:
http://www.spacesafetymagazine.com/space-hazards/asteroid-hitting-earth/innovative-hypervelocity-nuclear-interceptor-spacecraft-mitigating-impact-threat-asteroids/
Iowa Public Television, “ISU’s Asteroid Deflection Research”, June 2012:
http://www.iptv.org/video/detail.cfm/28723/csq_20120605_asteroid_deflection
Space Daily, “Iowa State Research Center Sponsors Asteroid Deflection Symposium”, October 2008:
http://www.spacedaily.com/reports/Iowa_State_Research_Center_Sponsors_Asteroid_Deflection_Symposium_999.html
Space Daily, “Iowa State Research Center Sponsors Asteroid Deflection Symposium”, October 2008:
http://www.public.iastate.edu/~nscentral/mr/08/1024/asteroid.html
Planetary Defense Blogspot, “Asteroid Deflection Research Center (ADRC) recently established at Iowa State University”, June 2008:
http://planetarydefense.blogspot.com/2008/06/asteroid-deflection-research-center.html
“Iowa State University Center Maps Out Asteroid Defense Strategies, May 2008 (Wired.com):
http://www.wired.com/2008/05/iowa-state-esta
Science Daily, “Engineering Researcher Seeks Answers To Asteroid Deflection”, May 2008:
http://www.sciencedaily.com/releases/2008/05/080527155456.htm