SpaceX is going to try and make history again.
On Thursday, February 25, the company will launch its 229-foot-tall Falcon 9 rocket from Cape Canaveral, Fla.
Shortly after launch (and setting loose a new satellite into orbit), the first and biggest part of the rocket will fall back to Earth.
But instead of becoming junk at the bottom of the ocean, the rocket stage will try to land itself on an autonomous drone ship in the Atlantic Ocean.
SpaceX has said it doesn't think this will work, but success has the potential to change spaceflight as we know it.
Here's how it might play out, and what it might mean for the future of the human race.
Kelly Dickerson contributed to this report.
Right now we rely on rockets to launch things like satellites and supplies for the International Space Station into space.
But just one rocket costs over $60 million, and you can only use it once. Amazon founder and space entrepreneur Jeff Bezos has compared it to using a 747 to fly across the country once and then throwing the plane away.
That's why Elon Musk's SpaceX and Bezos' rocket company Blue Origin are trying to develop reusable rockets.
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