As far-fetched as it may seem, quirks of orbital mechanics could allow hundreds of planets to be packed around a star ...

On Tuesday astronomers at the Vera C. Rubin Observatory announced the discovery of a new dwarf planet candidate in a distant ...

Researchers have discovered a white dwarf surrounded by a debris disk with 2 separate rings. It offers a possible glimpse of ...

Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals formed much later than expected. These late-forming bodies match the ages and ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. The ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European Space Agency, ...

The small Solar System bodies (SSSBs) preserve records of the formation and evolution of the Solar System. In particular, the ...