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

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

Mount Everest may be the tallest mountain on Earth, but it's nothing compared to the towering giants scattered across our ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

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 ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

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 ...

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

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

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

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...