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

Global Volcanism Program

A meteorite exploded in the air above Antarctica 430,000 years ago

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

We Can Save Ourselves From Earth-Killing Asteroids, But Someone Has to Pay

Global Volcanism Program

Reliving the last day of the dinosaurs

Dangerous meteors hit Earth way more often than thought

Meteorite - Wikipedia

Suppose an asteroid 1000 km wide were on an earth-impacting trajectory, what size of it would eventually hit the earth after burning in the atmosphere? - Quora

Geology: Early Earth was bombarded by a series of CITY-sized asteroids every 15 million years

Asteroid Impact Craters

Asteroid hunting: Astronomers trace fireball in Earth's skies to space rock that made it

Pieces of the Sky (Meteorites) - Griffith Observatory - Southern California's gateway to the cosmos!

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

An asteroid impact could wipe out an entire city – a space security expert explains NASA's plans to prevent a potential catastrophe