Asteroid shock: 'City-sized' space rock NOT volcano destroyed

ASTEROID experts finally have conclusive proof a space rock strike not a volcanic eruption was responsible for dinosaurs

Asteroid sneak attack: Why Earth is under threat from tiny city-destroying space rocks - BBC Science Focus Magazine

Earth's greatest hits: A history of asteroid impacts

A giant space rock demolished an ancient Middle Eastern city and everyone in it – possibly inspiring the Biblical story of Sodom

Education News & Blogs – NASA Jet Propulsion Laboratory

Solar System - Wikipedia

Death by Asteroid: The Most Likely Ways for a Space Rock to Kill You

NASA Simulated an Asteroid Impact, Couldn't Avoid a Crash in Europe

Spacecraft that crashed into asteroid created a swarm of boulders

Early Earth was bombarded by series of city-sized asteroids

66 million years ago an asteroid destroyed the dinosaurs. Now scientists are drilling into the crater it made to understand how. - The Washington Post