GunsBusinessOn Clinton Campaign Trail, Astronaut Mark Kelly Talks Smart GunsBy Issie LapowskyBusinessThe Success of Obama's Gun Plan Boils Down to Better Tech and More DataBy Issie LapowskyBusinessSocial Media Is Making the Debate on Guns—And Trump—WorseBy Issie LapowskyScienceWhy America Still Doesn't Have Any Good Data on GunsBy Sarah ZhangScienceGuns Kill More Americans Than Terrorists DoBy Jennifer ChausseeSecurityFeds Tighten Restrictions on 3-D Printed Gun Files OnlineBy Andy GreenbergSecurityBill to Ban Undetectable 3D Printed Guns Is Coming BackBy Andy GreenbergSecurityGun Group: We'll Pay $15K for Your Carbon Fiber 3-D PrinterBy Andy GreenbergSecurityThe Bullet That Could Make 3-D Printed Guns Practical Deadly WeaponsBy Andy GreenbergPhotoAmerican Children Pose With Their GunsBy Jakob SchillerDesignLook at These Amazing Cross Sections of BulletsBy Kyle VanhemertScienceScience Goes Ballistic: 8 Guns for Hunting KnowledgeBy Joe HansonSecurity3-D Printing Pioneer Wants Government to Restrict Gunpowder, Not Printable GunsBy Robert BeckhusenDesignGun-Death Data Boldly Illustrates Stolen YearsBy Valentina PalladinoGearMeet the One-Handed Man Behind America's Most Dangerous Mail-Order KitsBy Brad ChacosNewtown, Mental Health, and Keeping Our Children SafeBy Andrea SchwalmCultureThe NRA Solution to Gun Violence: More Guns, Fewer VideogamesBy Laura HudsonScienceI Grip the Gun and the Gun Grips MeBy David DobbsDesignThingiverse Removes (Most) Printable Gun PartsBy Tim MalySecurity5 Steps That Will Curb Gun Violence (And 5 Ways They Will Fail)By Spencer AckermanSecurity3-D Printed Gun Only Lasts 6 ShotsBy Robert BeckhusenDesignReplication Revolution: Best 3D-Printed Objects in Entertainment, Science and WarBy Joseph FlahertyPhotoCanadians Trade Guns for Cameras in Creative Anti-Violence ProgramBy Jakob SchillerSecurityWith 'Safe Haven,' Desktop Weaponeers Resume Work on 3D-Printed GunsBy Robert BeckhusenMore Stories