High above the Sun’s blazing equator lie its mysterious poles, the birthplace of fast solar winds and the heart of its magnetic heartbeat. For decades, scientists have struggled to see these regions, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A newly released ...

The scene sounds like something straight out of an action thriller: a skydiver drops out of an aircraft, their dark silhouette plummeting across the surface of a giant, fiery star. The final product?

In its closest-ever dive into the Sun’s atmosphere, NASA’s Parker Solar Probe has returned stunning new images and data that bring scientists closer to solving one of the Sun’s biggest mysteries: how ...

We Earthlings see the sun every day of our lives—but gaining a truly new view of our star is a rare and precious thing. So count your lucky stars: for the first time in history, scientists have ...

The sun is governed by a strict rhythm. The magnetic activity of the sun displays a cyclic variation, reaching a maximum approximately every eleven years. Two enormous plasma circulations, each in one ...

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic neighborhood yet. The comet, ...