New observations show that newly formed planets close to a star help shepherd dust and gas to create more planets farther out ...

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 ...

The research team's simulations indicate a 1 in 100 chance that an interstellar visitor could produce the orbits we see today ...

The Hubble Space Telescope has been imaging the outer planets of our solar system for a decade, learning about their strange ...

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

Weather permitting, Jupiter will not only be brighter than most other stars and planets in the evening sky, but will also be ...

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

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

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

Extrasolar gas giant planets are a necessary stop on the road to finding life elsewhere in the cosmos. Here's why we need to ...

These evenings, when it is clear, there is (what appears to be) a fairly bright yellow "star" in the southern sky. It is not ...