What if there’s a planet hiding in our solar system, 10 times larger than Earth? While this theory has yet to be confirmed, ...

A minuscule meteorite seems to be rewriting the history of our solar system. The 50-gram Northwest Africa 12264 has brought a new understanding of when and how rocky worlds came together. Inner ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

When most people think of our Solar System, they think of the 8 planets officially recognized by the International Astronomical Union (IAU). But what if I told you there are at least 40 planets, and ...

Rare "in-sync" solar system discovered by scientists 04:12. Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside ...

Solar system planet FAQs: Expert answers to common questions. We asked Maximilian Guenther, ESA Project Scientist and mission representative of ESA's Characterising Exoplanet Satellite ...

Astronomers using planet-hunting satellites have discovered a rare solar system with six planets moving completely in sync with one another, as if they were untouched by any outside force since ...

Astronomers have discovered 12 new moons around Jupiter, pushing it past Saturn as the planet in our solar system with the most moons — a whopping 92. Feb. 6, 2023.

Every planet in the solar system will be visible on Wednesday (Dec. 28). Here's how to see them : Read moreYou’re wrong. There are six planets visible with the naked eye.

Though Pluto has formally been considered a dwarf planet for almost two decades, it still has many lessons left for planetary scientists — including hints about how the solar system formed.