The US space agency (Nasa) has revealed its new heavy-lift, deep-space rocket, which it says will carry astronauts further than ever before.<br /><br />The rocket is similar to the renowned Saturn 5, which transported humans to the moon four decades ago, however the new one is 20 times more powerful.<br /><br />The development of the new rocket and all its systems is set to take 14 years before its first mission to an asteroid.<br /><br />Al Jazeera's Monica Villamizar has more from the US state of Washington.
