A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

Outside our own solar system, the first moments of planet formation have never been detected, until now. The European Southern Observatory (ESO) said the images are of a "baby star" known as HOPS-315 ...

The Sun's formation caused temperature differences in the surrounding disk of gas and dust. Inner, hotter regions formed rocky planets from less volatile elements. Outer, colder regions allowed ...

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

Concentrated hydrogen in the galaxy’s spiral arms can be locked away in zircon crystals, providing startling clues about the ...

Outside our own solar system, the first moments of planet formation have never been detected, until now. Astronomers used the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile and NASA’s ...

(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 ...