The United States spends approximately $4 million each year searching for near-Earth objects (NEOs). The objective is to detect those that may collide with Eart

Two hundred years after the first asteroid was discovered, asteroids can no longer be considered mere points of light in the sky. Spacecraft missions, advanced

In 1993, the U.S. Department of Defense declassified information dealing with frequent explosions in the upper atmosphere caused by meteoric impact. It is estim

Dr Carrie Nugent is an asteroid hunter - one of the select group of scientists working diligently to map our cosmic neighbourhood. For the first time ever we ar

Comets and asteroids are in some sense the fossils of the solar system. They have avoided most of the drastic physical processing that shaped the planets and th