The SpaceX rocket launched into space tonight from Florida with millions tuning in.
Astronauts are travelling to the ISS on one of billionaire Elon Musk’s space rockets.
The Launch America was the first time in nearly 10 years NASA astronauts have lifted off US soil aboard an American made rocket.
SpaceX is the first private company to put astronauts into space, which is something achieved by Russia, the US and China.
The launch was due to take place on Wednesday but was cancelled due to bad weather.
Lucky stargazers could see the crew dragon space craft at around 10:15pm tonight in a very low orbit pass from the west.
The International space station will zoom across the sky in a very bright pass a few minutes before at 10:11pm.