It’s impossible to forget just how much the sun affects life on our planet. It’s overwhelmingly the source of our light and heat, providing just enough to maintain the delicate climatic balance we ...

An artist’s impression of the far-future sun, swollen to become a red giant star, as seen from a molten Earth landscape. As summer settles in and temperatures climb in the Northern Hemisphere, it’s ...

From changes in solar activity to shifts in climate and atmosphere, the study of Earth’s future often reveals as much about the present as it does about the distant end. Researchers using a NASA ...

Is a sun a star or a planet? Current definitions define a star as a body that generates its own energy. While humans have relied on the sun for hundreds of thousands of years, it's only in the last ...