A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Interstellar comet 3I/ATLAS has caught the interest of astronomers and amateur enthusiasts alike as just the third object to ...

A new planetary system is forming around the young star HOPS-315. Scientists observed the earliest stages of planet formation around another star. The process involves the cooling and solidifying of ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its nebular gas had been consumed—Earth's solar system and its planets looked more ...

The JWST has studied the chemical composition of a moon-forming disk circling a giant planet 625 light-years away.

Interstellar visitor 3I/ATLAS has been constantly changing as it makes its way through our solar system. That's to be ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...