Please consider donating to Behind the Black, by giving either a one-time contribution or a regular subscription, as outlined in the tip jar to the right. Your support will allow me to continue covering science and culture as I have for the past twenty years, independent and free from any outside influence.
The competition heats up: More successful glide tests today for SpaceShipTwo, now with its engine attached.
They are testing the flight characteristics of the spaceship with the additional engine weight. Once satisfied, they will then move on to powered flights.