The Sun is an incandescent but benevolent dictator. For billions of years, it's kept our Solar System well organized and ...

Over the last ten years, OPAL has observed Uranus' northern hemisphere, which has faced the inner solar system for the ...

Faint magnetic properties in primitive asteroid fragments suggest an early magnetic field strong enough to shepherd the ...

Massive object passing through solar system is a better explanation for nature of orbits of Jupiter, Saturn and Neptune ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars.

Jane Huang, an assistant professor of astronomy, grew up in Chicago, but has no strong feelings on whether New York or her ...

Comets are icy bodies that formed alongside the planets in the early Solar System before being flung into its distant outer ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

Discover what the Hubble Outer Planet Atmospheres Legacy program has learned about the outer planets, including Jupiter, ...

When 'Oumuamua traversed our solar system in 2017 it was the first confirmed Interstellar Object (ISO) to do so. Then in 2019 ...

The orbits of the planets around the sun have been the source for many a scientific debate. Their current orbital properties ...

The moderate tilts and slightly elongated paths of these planets — long considered a mystery — could be the result of a ...