The Sun won’t explode in a dramatic fireball, but its ending will still be pretty wild. In about 5 billion years, it will run out of hydrogen, which is the fuel that keeps it shining. When that ...

That star at the center of our Solar System, that superhot ball of plasma that gives us heat and energy, and amazing complexions… well, it’s a ticking time bomb. The Sun is about 10 billion years old.