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

"Its occurrence is like finding a tropical seed in Arctic ice – indicating either an unexpected local environment or ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

S cientists had high hopes for the sample of asteroid Ryugu collected by the Japanese Hayabusa-2 probe. The actual findings ...

What minerals within the grain samples from asteroid Ryugu that returned to Earth can teach scientists about this intriguing ...

Researchers from the Nanjing Institute of Geology and Paleontology of the Chinese Academy of Sciences and Columbia University ...

Mercury’s risk of orbital disruption rises by 50–80%. There’s a 0.3% chance Mars could be lost through collision or ejection, ...

A new paper examining and simulating the formation of wide-orbit planets has put the chances of our own Solar System ...

There could be a ninth planet in our Solar System after all - and no, it's not Pluto. Instead, it's the theoretical Planet X, also called Planet Nine, a wide-orbit planet that would circle the Sun ...

Examining the gas giant's primordial stages is key to understanding our solar system's evolution. By Andrew Paul. Published May 20, 2025 3:46 PM EDT. Jupiter was once as much as 2.5 larger than today.