Our Sun’s outer atmosphere, the corona, is millions of degrees hotter than it should be, and no one knows why.

Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

The sun rises and sets every day. We plan our lives around it. It's ironic, then, that "we know so little about the star at the center of our solar system," says Matina Gkioulidou, a space physicist ...

On its closest-ever flyby to the sun, NASA's Parker Solar Probe captured newly released images of solar winds purging out from the sun's outermost atmosphere, the Corona. Scientists are learning more ...

A strong X-class solar flare erupted from the sun on Sunday, Feb. 23, creating radio blackouts across parts of the Pacific Ocean. A space-based telescope has captured new images of the sun that ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

At the farthest reach of the Sun’s influence, NASA’s Voyager 1 spacecraft has stumbled into a region that behaves less like empty space and more like a furnace, where charged particles heat to tens of ...

Comet C/2025 R3 (PanSTARRS) might be the brightest comet of the year, scientists predict.

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

Lucas Brefka receives funding from a NASA Exoplanet Research Program grant. Christopher Palma does not work for, consult, own shares in or receive funding from any company or organization that would ...