Although the repeating cycle of sunspots was first seen in the mid-18th century, the fact that the Sun went through cycles ...

Every image you've ever seen of the sun is looking at its equator, because Earth's orbit sits there with a 7.25-degree tilt.

Learn how the European Space Agency's spacecraft captured a completely new view of the Sun, thanks to its novel tilted orbit.

We spent the time to research and plan our own installation, and it'll help you make the right decisions when you build out ...

As a result, the Earth is not currently orbiting a point inside the Sun, as the barycenter is outside of it. We are orbiting ...

"Asteroid 2024 YR4 is now too far away to be observed with space-based or ground-based telescopes," NASA added in a statement ...

Earth’s companion has allowed astronomers to define lunar cycles, navigate without technology, and understand celestial ...

Our star, the Sun, rises at 5:17 a.m. E.D.T. (Eastern Daylight Time) from June 8 through June 22. Sunset is at 8:27 p.m.

How big it is: 865,000 miles (1.392 million kilometers) across ...

Scientists' best explanation for how planets form is called the core accretion theory. The birth of a planetary system begins ...

As a result of the International Astronomical Union’s 2006 demotion of Pluto from planet to dwarf planet, our solar system ...

"Are we alone?" This ancient question has occupied humanity's mind for a long time. In 1995, the discovery of the first ...