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 ...

The Big Bang explosion at the start of the Universe was responsible for the production of the light elements hydrogen and helium, along with some fraction of lithium. All of the other elements in ...

Carl Sagan once famously said: “We are made of star stuff.” He was referring to the origin of many elements — like the calcium in our bones and the iron in our blood — that are forged in the last ...