Henry Spencer

Large solid rockets have never been a very good way to build launchers that might have crews on top, especially because of the problems in getting the crew away from a failing launcher.

Technically and financially, it might still make sense to give up on Ares I and simply write off the money spent on it, but politically, that's probably impossible.

Past experience, on the shuttle and the Titan rockets, suggests that large multi-segment solid rockets have a probability of failure of 0.5 to 1 per cent.

I've learned that even the word 'jubilee' used in connection with the Reformation can give rise to discussions.

As co-chair of the Iraqi Women's Caucus in the House, I've enjoyed the opportunity to collaborate with and hear from Iraqi women elected to serve in the new National Assembly.

Capping the size of American banks won't eliminate the needs of big businesses; it will force them to turn to foreign banks that won't face the same restrictions.