Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

There are eight planets in the solar system, and each travels on its own path around the sun. But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some ...

Have you ever wondered why all the planets in our solar system orbit the Sun in roughly the same flat plane? This fascinating ...

"All the planets go around the sun, like on a racetrack, they just run around the racetrack. And right now, they're all on the same track, so that you can see them at night." "They do appear ...

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

much smaller and much cooler than our Sun. Very few planets smaller than Earth have been found at all so the fact this nearby star has four is curious. These tiny planets orbit around the star in ...

Our planet whirls around the sun in an ellipse, rather than a circle. On Friday the planet reached its farthest point from its star, known as aphelion. By Katrina Miller It’s summer in the ...

"As the sun becomes a red giant, the habitable zone will move to around Jupiter and Saturn's orbit, and many of these moons will become ocean planets," Zhang said. "I think, in that case ...

As of 2025, astronomers have identified at least 14 stars within 10 light-years of the Sun ... planets is a smaller sub-Earth, with no more than about a third of Earth's mass, and travels around ...