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 ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ...

Imagine studying the formation of a star 5 million years in the making, a newborn in the jargon of astronomers, that's tucked away in a "cosmic nursery" light-years away and yielding two growing ...

The textbook picture of how planets form—serene, flat disks of cosmic dust—has just received a significant cosmic twist. New research, published in Astrophysical Journal Letters, is set to reshape ...

In the swirling clouds of gas and dust that surround newborn stars, planets begin to form. These planet-forming disks are rich with clues about how worlds like Earth come to be. Until now, scientists ...

A young protoplanet called WISPIT 2b was seen forming in a star's dust ring, presenting significant insight into planetary formation.

The NASA/ESA/CSA James Webb Space Telescope has provided the first direct measurements of the chemical and physical properties of a potential moon-forming disk encircling a large exoplanet. The carbon ...

Scientists have gotten a never-before-seen look at an area around a large exoplanet 625 light-years away where moons like the ...

(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 ...

This article was originally featured on The Conversation. 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 ...