Few things seem as immutable than the Sun —after all, it’s been fusing hydrogen for five billion years, and it’ll keep on ...

Dive into our reliance on electricity and its sources. Discover the shocking amount of electrical energy used daily. Dive into our reliance on electricity and its sources. Explore renewable and ...

In 1607, Johannes Kepler projected an image of the Sun onto a piece of paper and spotted a dark smudge. He thought he was ...

A total solar eclipse will be visible from Texas to Maine on Monday. This cosmic event occurs when the Earth, sun, and moon align perfectly. One diagram shows how a total solar eclipse works, and why ...

The sun is the star at the center of our solar system. It's the largest, brightest and most massive object in the solar system, and it provides the light and heat that life on Earth depends on.