History Channel: Challenger Disaster
NASA: All Challenger images and links
New York Times: Challenger 30 Years Later
NewsELA: Challenger 30 Years Later (1/26/2016)
NPR: Challenger 30th Anniversary Report
SPACE Magazine: Challenger Disaster Article
SPACE: Challenger Infographic
Time Magazine: How the Challenger Disaster Happened
YouTube/CNN Archive: Original 1986 Broadcast of the Explosion Primary source! - no graphic depictions
Google Arts & Culture: Space Shuttle Challenger
Popular Mechanics: Challenger Oral History Primary source!