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 29, Comet 3I/ATLAS reached its closest point to the Sun. This point, known as perihelion, was around 210 million ...

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of ...

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 ...

Peering through a cosmic keyhole at distant baby star, astronomers may have opened a new window on the deep past of our own solar system. Weighing in at 0.6 solar mass, HOPS-315 should someday grow to ...

(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 ...

Jupiter was shaping the fate of our solar system long before Earth came into existence. A new study conducted by scientists ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ring system under formation. By comparing the 2023 observations to previous ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.