There are concerns that hazardous material from a rocket which exploded after take off could be dangerous to the public.
The unmanned spaceship was carrying food and supplies for the International Space Station when it blew up in Virginia in the US on Tuesday evening.
The public are being warned not to collect souvenirs from the debris.
Frank Culbertson, executive vice-president of Orbital Sciences confirmed that none of the staff at the launch site were injured.
“It’s a tough time to lose a launch vehicle like this and its payload. It’s not as tragic as losing a life associated with it, so we’re very happy to report that there were no injuries and the safeguards both in-flight and on the ground worked as they should have, and all we lost was hardware,” he said
Orbital Sciences is being paid billions of dollars by Nasa to make deliveries to the International Space Station. It will also be in charge of flying US astronauts to the orbiting lab in 2017.
In the meantime, Russia has successfully launched a rocket with supplies from Kazakhstan and it is due to reach the space station on Wednesday.