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

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

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Welcome to SolarBalls! This channel features entertaining animations that help you learn about the solar system and the universe. Enjoy fun space animations and comedy. #solarballs #planetball #planet ...

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

Simulations Of Early Solar Systems Find Up To 40 Percent Chance That Planet Nine Exists Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system ...