For over a hundred years, astronomers have puzzled over strange changes in the brightness and motion of Betelgeuse, the closest red supergiant to Earth. Located in the shoulder of Orion, this colossal ...

In the 1950s, Stanley Miller and Nobel laureate Harold Urey conducted experiments at the University of Chicago in which they ...

The U.S. once controlled the market on rare earth elements, sought after for a range of technologies. But in the last few ...