Nuclear Fusion: Powering Every Star

Nuclear fusion is the process that powers every star, from our Sun to the most distant galaxies.
In the Sun’s core, hydrogen atoms fuse into helium, releasing massive amounts of energy as light and heat.
Fusion in stars creates the heavy elements—like carbon, oxygen, and iron—that make up planets and life.
The Sun fuses about 600 million tons of hydrogen into helium every second.
Unlike nuclear fission, fusion produces no long-lived radioactive waste.
Stars shine steadily for billions of years because of the delicate balance between gravity and fusion energy.
When a star runs out of fusion fuel, its fate depends on its size—white dwarf, neutron star, or black hole.
The glow of the night sky is proof of fusion happening across the universe.
Scientists on Earth are working to recreate star-like fusion for clean, limitless energy.
Every breath you take contains atoms forged in the fiery fusion hearts of ancient stars.