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Rescue mission to bring stuck astronauts home arrives at ISS

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A SpaceX capsule sent to bring home two astronauts stranded on the International Space Station (ISS) has arrived.

The Dragon capsule, which has two empty seats for Nasa astronuats Butch Wilmore and Suni Williams, arrived late last night - at 10.30pm UK time.

Nasa's Butch and Suni travelled to the ISS for what was supposed to be an eight day mission.

But following problems with the Boeing Starliner spacecraft they travelled in, their stay has been extended and they are now expected to return to Earth in February

Why are the two astronauts stuck in space?

Image source, Getty Images

Before Wilmore and Williams left on their mission to the ISS in June, Nasa discovered some issues - including several helium leaks coming from their Starliner capsule.

Experts thought the small leaks would not impact the mission, so went ahead with the launch.

But the craft ran into further problems, including more leaks and issues with its thrusters, so more tests took place to check if Starliner would be safe to get the astronauts home.

Eventually Nasa said the problems became too risky, and the space agency decided that it wasn鈥檛 safe enough to use Starliner for the crew鈥檚 journey back to Earth.

In September, Starliner undocked from the ISS and the spacecraft returned to Earth without Wilmore and Williams onboard.

How will the two astronauts now get home?

Image source, Getty Images

A SpaceX Dragon capsule lifted off from Cape Canaveral in Florida in the US on Saturday with two empty seats, ready to bring the two astronauts home.

But that journey back to Earth won鈥檛 be completed until next year, meaning the pair will have Halloween and Christmas in space.

Don't worry though, Butch and Suni got an early present of sorts, in the form of a delivery of fresh clothes and supplies as part of the Dragon capsule's cargo.