Scientists pinpoint dino-killing asteroid’s origin: past Jupiter Phys.orgUnusual Origin Found for Asteroid That Killed the Dinosaurs The New York TimesCrater formed from Earth’s extinction event produced by carbon-rich ‘C-type’ asteroid, scientists suggest The GuardianDinosaur-killing Chicxulub asteroid formed in Solar System’s outer reaches Nature.comScientists believe they now know where the dinosaur-killing asteroid came from CBC.ca