This story appears in the May 2013 issue of National Geographic magazine ... At that moment it was the only atom of element 117 on Earth, and only the 19th ever to exist. The others had also ...

They are formed of simple molecules or individual elements arranged in repeating chains, sheets, or three-dimensional arrays. Minerals are typically formed when molten rock, or magma, cools ...

ByNina Strochlic This story appears in the June 2017 issue of National Geographic magazine. Water is pouring out of the sunny sky thanks to start-up Zero Mass Water, which invented a solar panel ...

New elements include ... some things about National Geographic will never change, especially the three principles that underlie all that we do. We are on the side of science, on the side ...

The iron isn't pure—scientists believe it contains sulfur and nickel, plus smaller amounts of other elements. Estimates of its temperature vary, but it is probably somewhere between 9,000 and ...