All around us are elements forged in stars, from the nickel and copper in coins to the gold and silver in jewelry. Scientists have a good understanding of how these elements form: In many cases, a ...

Many space-lovers know the phrase “We are all made of star stuff.” And it’s true — our planet formed from the dust cloud left over from the formation of our Sun, and from the planet, all life. That ...

A: The lightest elements in the universe — hydrogen, helium, and a little lithium — were born shortly after the Big Bang. The heavier elements, up to iron, were forged later, in the hearts of stars ...