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 ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ... . A cloud of collapsing gas created our Sun, the first thing to form in our ...

A cloud of collapsing gas created our Sun, the first thing to form in our solar system. This happened about 4½ billion years ago. Then the planets began to emerge, as the billions of particles of gas ...

(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 ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Astronomers have captured the earliest stages of planet formation around a young sun-like star, offering a rare glimpse into the birth of a solar system. The discovery provides the first conclusive ...

On July 21, 2025, theEuropean Southern Observatory (ESO) highlighted an exciting discovery made possible by its cutting-edge technology: the detection of a spiral disc around the young star HD 135344B ...

Jupiter’s early growth carved rings in the solar system, delayed meteorite formation, and kept planets like Earth in stable ...

In a cosmic first, scientists identified signs of early planet formation by looking deep into the gas disk around a baby star far outside our solar system. Astronomers have discovered the earliest ...