Planetary Defense Blog
Comprehensive and Frequently Updated Planetary Defense Resource
NASA NEO Program
NASA's Near-Earth Object Program at JPL
Near-Earth Object Dynamic Site (NEO Dys)
Comprehensive Listings and Risk Analysis of NEO's
Billion-Year Plan
A Blog dedicated to advanced space technologies and their role in safeguarding human survival
Global Asteroid Protection Society
Group dedicated to the protection of assets from asteroidal threats
B612 Foundation
Foundation to significantly alter the orbit of an asteroid in a controlled manner by 2015
ISGC
Iowa Space Grant Cosortium Homepage
SSCL
Iowa State Space Systems & Controls Lab Homepage