**The US space agency has launched a prototype rocket designed to replace the ageing space shuttle.**The Ares I-X launched on its second attempt, after Tuesday’s planned lift-off was scrubbed due to bad weather.
The slender, 100m-tall Ares I-X vehicle will test technology crucial for the development of a manned craft that could return astronauts to the Moon.
The craft is the first new launch vehicle that Nasa has designed and built in more than three decades.
More soon.