Uranium enrichment concentrates one specific type of the atom to create a substance that can generate massive amounts of energy.

Beyond plans to return astronauts to the moon for the first time since the Apollo Era, NASA and other space agencies have ...

Because uranium-235 is a little lighter than uranium-238, it moves outward more slowly when spun, and the two isotopes separate. It’s sort of like how a salad spinner separates water from lettuce.