In an extraordinary testament to the predictive power of Einstein’s theory of general relativity, a star system has been ...

These distant worlds are called exoplanets: planets that exist outside our solar system. Most of the exoplanets scientists have discovered so far orbit stars within the Milky Way, but some lie even ...

White dwarfs may still host habitable planets. Conditions like tidal heating and migration shape their potential for life. The Sun will eventually die. This will occur when it exhausts the hydrogen ...