
Elon Musk, the billionaire and head of SpaceX, has sparked a big debate by suggesting that it’s time to shut down the International Space Station (ISS). He believes the ISS is outdated and stopping progress toward exploring Mars.
Recently, Musk shared a post on Twitter about President Donald Trump’s new tax bill. The bill includes $1.25 billion to keep the ISS running until 2030. Musk responded by saying, “It’s time to retire the Space Station and focus on Mars.”

Why Musk Thinks the ISS Should Be Retired
The ISS has been in space since 1998 and orbits about 250 miles above Earth. It’s been used for many science experiments and discoveries. But now, it’s over 20 years old, and many parts are wearing out. NASA has even planned a controlled end for the ISS in 2030, including $325 million to safely bring it down from orbit.
Musk argues that keeping the ISS running costs too much — about $3 to $4 billion each year. He says this money would be better spent on going to Mars. “The ISS was great for its time, but now we need to focus on building a future on Mars,” Musk said.
His company, SpaceX, has already been working on Starship — a rocket that can carry people and cargo to Mars. His goal is to create a human colony on the Red Planet.
Why Some People Want to Keep the ISS
Many scientists and experts disagree with Musk. They say the ISS is still very important. It helps us study how humans live in space for long periods — which is vital before going to Mars.
Dr. Ellen Stofan, former NASA chief scientist, said, “The ISS shows how countries can work together in space. Ending it too soon could slow down our progress.”
The ISS is a joint project between the U.S., Russia, Europe, Japan, and Canada. It continues to be a symbol of global cooperation, even during international conflicts.
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What People Are Saying Online
People online are divided. Some agree with Musk and say the ISS is a waste of money. Others think we still need it for important research.
NASA plans to keep the ISS running until 2030. After that, private space stations — like the one being built by Axiom Space — will take over.
SpaceX already works closely with NASA and delivers astronauts and cargo to the ISS. It will also help bring the ISS down safely when the time comes.
While the ISS will eventually shut down, Musk’s push to speed that up has raised big questions: Should we stop using old space technology to move forward? Or should we keep learning from it until we’re truly ready for Mars?
As one NASA official put it: “Musk is right that Mars is the future. But the ISS is still helping us get there. We don’t have to choose one over the other — at least not yet.”