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

The solar system is approximately 4.6 billion years old. Astronomers believe that roughly 100 million years into its existence, the planets first began to form in a rotating, flat cloud of gas ...

If planet X exists, it is likely a gas giant similar to Neptune. NASA/Caltech/R. Hurt (IPAC), CC BY Our solar system is a particularly crowded place. Millions of objects move within it, whether they ...

19, 2024 — Scientists have unveiled groundbreaking research on the origins of lunar water, offering insights that could reshape our understanding of the Earth-Moon system and the broader solar ...

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The findings reveal the distribution of ices in the early solar system and how TNOs evolve when they travel inward into the region of the giant planets between Jupiter and Saturn, becoming centaurs.

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars. When you purchase through links on our site, we may earn an affiliate commission.

For years, scientists have observed the Solar System’s outer reaches in search of a Planet Nine. While Pluto was demoted to dwarf planet status in 2006, some researchers believe an even larger ...

Study simulates a super-Earth between Mars and Jupiter Findings show destabilised orbits and climates for inner planets Earth's habitability could have been severely impacted ...