Scientists have finally found a world orbiting the star and confirmed it with multiple follow-up observations. They estimate ...

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

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

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

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

Scientists using the powerful James Webb Space Telescope sought to observe a planet beyond our solar system (an exoplanet) ...

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

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

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

A pair of planetary scientists simulated how our solar system might have evolved if it had a super-Earth orbiting where the ...

lasting perhaps a hundred million years and ending with four surviving terrestrial (rocky) inner planets. The largest celestial bodies in our solar system that still exist—massive asteroids and ...