Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

If our Sun suddenly turned into a magnetar, we'd all be cooked - and pretty quickly. In this video, we'll show you how life ...

Astronomers have discovered 3I/ATLAS, a fast-moving interstellar object detected in mid-2025. Researchers believe this ...

Stars are born in clusters. Some stay together as binaries, some drift apart and some are violently thrown out of the family. The Pleiades are young clustered blue stars being born from dust and gas.

Technically, the sun is a G-type main-sequence star — specifically, a G2V star. The "V" indicates that it is a dwarf, Tony ...

NASA and the European Space Agency's Solar Orbiter spacecraft has sent home the highest resolution images of our sun ever captured. ESA has shared four images of the sun's surface, revealing the ...

The Sun, a G2V main-sequence star approximately 4.6 billion years old, is currently undergoing hydrogen fusion. Stellar evolution, primarily determined by a star's mass, dictates that the Sun will ...

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 ...