Online calculator for cratering effects of hypothetical asteroid impacts.

An argument for reducing global tension by developing a defense against impacts with Near Earth Objects.

The UK government is to establish a panel of experts to advise on the risk of the Earth being hit by an asteroid or comet, and plans for evacuation and/or deflection.

A Cincinnati Post news story about a meeting called by the U.S. government on the chances of an asteroid strike and a possible defense for it.

Scientists gather to discuss ways of aggressively defending the planet from an asteroid, including detonating nukes in space.

An unprecedented asteroid scare in January 2004 has prompted NASA to set up a formal process for notifying top officials in the future of any impending impacts.

Article on a meeting of space experts regarding finding and destroying a potential threat from an asteroid.