In a few billion years, our Sun will become so violently hot that it could wipe out all life in the Milky Way. Yet, ...

A new and improved definition for the term 'planet' will soon be proposed that would expand the title beyond the confines of solar system to include every alien world we discover. In 2006, over 2,500 ...

NASA’s TESS has uncovered three Earth-sized planets orbiting twin suns, defying long-held beliefs that binary systems are too ...

When NASA's Dawn mission arrived at Ceres in 2015, scientists and the general public got their first detailed look at this strange and beautiful planetoid. As the largest object in the Main Asteroid ...