How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

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 ...

Was there ever a planet closer to the Sun than Mercury? Explore the captivating theory of Vulcan, a world that has challenged astronomers' understanding of the solar system for decades. Donald ...

All of the planets have quicker revolutions around their star than Mercury, which takes 88 days to complete one lap around the sun. Given how close they are to HD110067, the planets likely have ...

To avoid the sun’s glare, astronomers leaped at ... a size that we call planet killers.” A near-Earth asteroid measuring 1 kilometer (0.6 mile) or larger “would have a devastating impact ...

The European Space Agency's Solar Orbiter captured the first-ever images of the sun's south pole in March, which were ...

According to the National Weather Service, the summer solstice will occur on Friday at 10:42 p.m. Eastern time (it will be ...

This path, known as the ecliptic, is the same one that the sun travels along during the year. This happens because the planets orbit around the sun in the same plane. Dr. van Belle likened the ...